63.A man earns 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 40 th day
Answer:
Option : A
Money earned in 2 days = Rs. (20 - 15)
⇒ Money earned in 16 days =
|
|
5
|
x 16
|
|
= Rs. 40
|
2
|
On 17th day, money in hand = Rs. (40 + 20 ) = Rs. 60
