CMAT Exam Numerical Ability

Person buys a book for Rs 15, after one year he sells it for Rs 20. After one year, again he buys the same book at Rs 30 and sells it for Rs 40. What is the total profit for that person?
a. 5
b. 15
c. 25
d. None of the above

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CMAT Other Question

Ram buys a cycle for Rs 2000 and gave a cheque of amount 2500 dollars. Shop Keeper exchanged the cheque with Shyam and gave change to Ram. After 2 days, it is known that cheque is bounced. Shopkeeper had to pay the amount to Shyam. The cost price of cycle is Rs 1000. What is the profit / loss for shop keeper?
a. 1000 loss
b. 1500 loss
c. 1000 profit
d. None of the above
Two pipes A and B fill a vessel in 4 hours and 12 hours respectively. In how many hours will the fill the vessel together?
a. 2
b. 3
c. 8
d. 16