1)

A man earns Rs. 20 on the first day and spends Rs 15 on the next day. He again earns Rs. 20 on the third day and spends Rs. 15 on the fourth day. If he continues to save like this, how soon will he have Rs. 60 in hand ?


A) On 17th day

B) On 27th day

C) On 30th day

D) On 40th day

Answer:

Option A

Explanation:

Man saves 5 Rupee in 2 days.
So number of days required to save Rs.60 = save days required to save 40 Rs + a day when he earns 20 Rs
= (2 x 40)/5 + 1 = 16 + 1 = 17 days