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Written solutions: 0 of 50.
Q1
Average, Mixture & Alligation MULTIPLE CHOICE
A dataset consists of five observations: 19,15,24,26 and x. If the median of the dataset is the same as the median of the three numbers: 24,26, and x, then the mean of the dataset is
Answer: C
A written solution for this question isn't available yet.
Q2
Time & Work MULTIPLE CHOICE
Water flows at the rate of 5 km/hr through a pipe of diameter 14 cm into a rectangular tank that is 50 m long and 44 m wide. Determine the time in which the level of the water in the tank will rise by 7 cm. (Assume π = 22/7).
Answer: C
A written solution for this question isn't available yet.
Q3
Coordinate Geometry MULTIPLE CHOICE
Consider the statement: "A point on the curve y = x2 is equidistant from the points (−1,0) and (5,0).
Answer: D
A written solution for this question isn't available yet.
Q4
Algebra - Progressions MULTIPLE CHOICE
In a potato race, a bucket is placed at the starting point, which is 5m from the first potato, and the other potatoes are placed 3m apart in a straight line. There are 20 potatoes in the line. Each competitor starts from the bucket, picks up the nearest potato, runs back with it, drops it in the bucket, runs back to pick up the next potato, runs to the bucket to drop it, and continues in the same way until all the potatoes are in the bucket. What is the total distance the competitor has to run?
Answer: A
A written solution for this question isn't available yet.
Q5
Algebra - Progressions MULTIPLE CHOICE
The sum of 30 terms of the series √2 + √8 + √18 + √32 + ... is
Answer: A
A written solution for this question isn't available yet.
Q6
Time, Speed & Distance MULTIPLE CHOICE
A train covered a certain distance at a uniform speed. If the train would have been 6 km/h faster, it would have taken 4 hrs less than the scheduled time. And, if the train were slower by 6 km/h, it would have taken 6 hrs more than the scheduled time. Find the distance covered by the train.
Answer: C
A written solution for this question isn't available yet.
Q7
Algebra - Quadratic Equations MULTIPLE CHOICE
If one of the roots of the equation x2 + ax + 3a = 0 is 1, then its other root is
Answer: B
A written solution for this question isn't available yet.
Q8
Percentage, Profit & Loss MULTIPLE CHOICE
A factory kept increasing its output by the same percentage every year. Find the percentage if it is known that the output has doubled in the last two years. (assume √2 = 1.4142)
Answer: A
A written solution for this question isn't available yet.
Q9
Geometry MULTIPLE CHOICE
Two solid spheres made of the same metal have weights of 5920 gm and 740 gm. If the diameter of the smaller sphere is 5 cm, then the radius of the larger sphere will be
Answer: B
A written solution for this question isn't available yet.
Q10
Algebra - Surds & Indices MULTIPLE CHOICE
If x = and y = , find the value of x + y - .
Answer: B
A written solution for this question isn't available yet.
Q11
Trigonometry MULTIPLE CHOICE
If 1 + sin2 θ = 2 sin θ cos θ, then tan θ can take values.
Answer: A
A written solution for this question isn't available yet.
Q12
Average, Mixture & Alligation MULTIPLE CHOICE
The ratio of alcohol to water in two containers, A and B, are 5:3 and 1:3, respectively, with both containers having infinite capacity. Suppose that the aim is to obtain 2.1 litre of liquid which is composed of equal quantities of alcohol and water. How much liquid should be drawn from A?
Answer: A
A written solution for this question isn't available yet.
Q13
Ratio, Proportion & Variation MULTIPLE CHOICE
Three women, Isha, Nisha, and Sudha, earn a monthly salary in the ratio 3 : 4 : 5. They also spend monthly in the ratio 3 : 5 : 6, saving the rest. If Sudha's savings are 1/6th of her income, what's the ratio of the three women's monthly savings?
Answer: A
A written solution for this question isn't available yet.
Q14
Percentage, Profit & Loss MULTIPLE CHOICE
An exporter estimates with certainty that a 26% higher price for his product will decrease the volume of sales in a foreign market by 30%. After having to increase the price by 26%, the revenue obtained from sales in that market turned out to be INR 44.1 Cr. What would the revenue have been if the exporter had been allowed to sell at the old price?
Answer: B
A written solution for this question isn't available yet.
Q15
Ratio, Proportion & Variation MULTIPLE CHOICE
A parcel's shipping cost is proportional to the square of its volume in cubic meters. Suppose we break the parcel into 3 packages in the ratio 2 : 3 : 5 of its original volume, to qualify for lower shipping cost. If the savings are the equivalent of √6200 cubic meters, what was the original volume of the parcel?
Answer: D
A written solution for this question isn't available yet.
Q16
Percentage, Profit & Loss MULTIPLE CHOICE
Shalini got 30% of the maximum marks in an exam. She failed by 50 marks. Malini scored 40% of the maximum, and this score was 20 marks more than the pass mark. What is the pass mark?
Answer: B
A written solution for this question isn't available yet.
Q17
Percentage, Profit & Loss MULTIPLE CHOICE
One country's GDP is currently $600 billion and is growing at 10% per annum. Another country's GDP is $700 billion, while it is growing at 5% per annum. How many years will it take for the GDP of the 1st country to overtake the 2nd?
Answer: B
A written solution for this question isn't available yet.
Q18
Algebra - Logarithms MULTIPLE CHOICE
If y > 0, and logy (x) = 4, log10y (25x) = 2 hold, what is y?
Answer: A
A written solution for this question isn't available yet.
Q19
Algebra - Surds & Indices MULTIPLE CHOICE
Say y = - 4, find y2 + .
Answer: C
A written solution for this question isn't available yet.
Q20
Algebra - Surds & Indices MULTIPLE CHOICE
If , the value of x is:
Answer: B
A written solution for this question isn't available yet.
Q21
Algebra - Number Theory MULTIPLE CHOICE
If 360 = 2x × 3y × 5z, then x + y + z = ?
Answer: A
A written solution for this question isn't available yet.
Q22
Algebra - Simple Equations MULTIPLE CHOICE
A told B, “When I was as old as you are now, then your age was four years less than half of my present age". If the sum of the present ages of A and B is 61 years, what is B's present age in years?
Answer: B
A written solution for this question isn't available yet.
Q23
Percentage, Profit & Loss MULTIPLE CHOICE
By selling a cloth that is 33 m long, a draper loses an amount equal to the selling price of 3 m of cloth. What is his loss %?
Answer: C
A written solution for this question isn't available yet.
Q24
Simple & Compound Interest MULTIPLE CHOICE
The simple interest and compound interest on a certain sum for 2 years is INR 1250 and INR 1475, respectively. The rate of interest per annum (compounded annually) in percentage is:
Answer: C
A written solution for this question isn't available yet.
Q25
Time, Speed & Distance MULTIPLE CHOICE
If a boat takes 4 hours longer to travel a distance of 45 km upstream than to travel the same distance downstream, then find the speed of the boat in still water if the speed of the stream is 2 km/hour.
Answer: A
A written solution for this question isn't available yet.
Q26
Time, Speed & Distance MULTIPLE CHOICE
A thief runs away from a police station with a uniform speed of 100m/minute. After 1 minute, a policeman runs behind the thief to catch him. He runs at a speed of 100m/min in the first minute and increases his speed by 10m/min in each succeeding minute. At the end of which minute, will the policeman be able to catch the thief?
Answer: D
A written solution for this question isn't available yet.
Q27
Algebra - Progressions MULTIPLE CHOICE
A lift carrying 50 passengers from the ground floor of a 100-storeyed building is moving upwards. The lift stops at the 1st, 2nd, and 3rd floor, then skips the 4th floor, again stops at the 5th, 6th, and 7th, then skips the 8th floor, and so on. Passengers get discharged in a pattern. 2, 3, 3, 2, 3, 3..... On which floor does the lift become empty?
Answer: A
A written solution for this question isn't available yet.
Q28
Algebra - Logarithms MULTIPLE CHOICE
Simplify the following:
- + - + - +
Answer: C
A written solution for this question isn't available yet.
Q29
Modern Math - Probability MULTIPLE CHOICE
What is the minimum number of times a fair coin must be tossed so that the probability of getting at least one head exceeds 0.95?
Answer: C
A written solution for this question isn't available yet.
Q30
Algebra - Quadratic Equations MULTIPLE CHOICE
The zeroes of ax2 + bx + c = 0 are in the ratio 1 : 2 (assume the coefficients to be non-zero). Which of these is one of the zeroes?
Answer: B
A written solution for this question isn't available yet.
Q31
Geometry MULTIPLE CHOICE
The diameter of a solid sphere is 6 cm. If the sphere is melted and drawn into a wire of diameter 2 mm, the length of the wire will be
Answer: D
A written solution for this question isn't available yet.
Q32
Geometry MULTIPLE CHOICE
Find the area of a trapezium whose parallel sides measure 25 cm and 13 cm, while the other two sides measure 15 cm each.
Answer: C
A written solution for this question isn't available yet.
Q33
Algebra - Number Theory MULTIPLE CHOICE
What must be added to x4 + 2x3 - 2x2 + x − 1 so that the result is exactly divisible by x2 + 2x - 3?
Answer: D
A written solution for this question isn't available yet.
Q34
Algebra - Number Theory MULTIPLE CHOICE
and x > 1, then the value of is
Answer: B
A written solution for this question isn't available yet.
Q35
Geometry MULTIPLE CHOICE
The pair of tangents drawn from an external point to a circle are perpendicular to each other and the length of each tangent (from the point to the circle) is 5 cm. The radius of the circle is
Answer: C
A written solution for this question isn't available yet.
Q36
Trigonometry MULTIPLE CHOICE
If a pole 6 m high casts a shadow 2√3 m long on the ground, then the sun's elevation is
Answer: A
A written solution for this question isn't available yet.
Q37
Trigonometry MULTIPLE CHOICE
is equal to
Answer: C
A written solution for this question isn't available yet.
Q38
Geometry MULTIPLE CHOICE
If the radii of two concentric circles are 4 cm and 5 cm, then the length of a chord of one circle that is tangent to the other circle is
Answer: A
A written solution for this question isn't available yet.
Q39
Geometry MULTIPLE CHOICE
If one angle of a triangle is equal to the sum of the other two angles, then the triangle must be
Answer: D
A written solution for this question isn't available yet.
Q40
Geometry MULTIPLE CHOICE
If one angle of a parallelogram is 24° less than twice its adjacent angle, then the largest angle of the parallelogram is
Answer: C
A written solution for this question isn't available yet.
Q41
Algebra - Number Theory MULTIPLE CHOICE
The average of any 4 consecutive odd positive integers, where the 1st number is a multiple of 3, must be divisible by which of these?
Answer: 1, 2, 3, 4
A written solution for this question isn't available yet.
Q42
Modern Math - Sets MULTIPLE CHOICE
Let A = {a, b, c, d, e}. The no. of subsets that contain exactly 3 of these elements are?
Answer: A
A written solution for this question isn't available yet.
Q43
Algebra - Number Theory MULTIPLE CHOICE
3 bells ring at intervals of 3 hrs, 4 hrs and 16 hrs respectively. If they have rung together once today, what day in the future will they ring together next?
Answer: D
A written solution for this question isn't available yet.
Q44
Algebra - Progressions MULTIPLE CHOICE
If p, q and r are in geometric progression, which of the following is true about qr, pr and pq?
Answer: B
A written solution for this question isn't available yet.
Q45
Modern Math - Probability MULTIPLE CHOICE
There is a 4-in-5 chance that A can complete the marathon. There is a 5-in-8 chance that B can't complete the marathon, which is independent of A's performance. What is the probability that both A and B end up completing?
Answer: C
A written solution for this question isn't available yet.
Q46
Coordinate Geometry MULTIPLE CHOICE
What's the area of the quadrilateral included inside the points: (−1, 2), (−1, 4), (7, 2), (7, 4)?
Answer: B
A written solution for this question isn't available yet.
If n ≤ 4 and 2 ≤ m ≤ n ≤ 5, then what is the greatest possible value of (n − m)(n + m)?
Answer: C
A written solution for this question isn't available yet.
Q48
Percentage, Profit & Loss MULTIPLE CHOICE
8% of boys in a class made it past the 90th percentile, while 12% of the girls in the same class made it past that mark. Suppose there are 120 students in this class: what is the number of boys?
Answer: 1, 2, 3, 4
A written solution for this question isn't available yet.
Q49
Ratio, Proportion & Variation MULTIPLE CHOICE
Coins of INR 2, 5, and 10 denominations are in a bag in the ratio of 30 : 20 : 10, of which the INR 5 coins amount to INR 250. What is the total value of coins in the bag?
Answer: A
A written solution for this question isn't available yet.
Q50
Percentage, Profit & Loss MULTIPLE CHOICE
A trader declares that he will sell his commodity at 10% profit over his cost price. However, he alters his weighing balance to sell 10% less to each customer. What is his true profit margin in percent?
Answer: B
A written solution for this question isn't available yet.