Asha and Eesha – Eesha lies on Monday, Tuesday and Wednesday. Asha lies on Thursday, Friday and Saturday. Other days they will say the truth. Professor forgot and asked them what day it is. Both of them said, yesterday I was lying and then professor got the day. What day it is?
Explanation:
Eesha lies on Monday, Tuesday and Wednesday whereas Asha lies on Thursday, Friday and Saturday. Other days they will say the truth. We can make the following table :
Asha can say I was lying yesterday only on Thursday and Sunday.
Esha can say I was lying yesterday only on Thursday and Monday.
∴ Both of them can say yesterday I was lying at the same time only on Thursday.
Hence, option (b).
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