Chandana and venu purchased 12 note books and 10 books respectively. The cost of each note book is ₹15, then how much amount should they pay for the shopkeeper?

Ramu and seetha purchased 15 note books and 10 note books respectively. The cost of each note book is Rs 15, then how much amount should they pay to the shop keeper?

If the cost of 4 Books is Rs. 48, how much would be the Cost of 7 books?

Laxmi bought 7 books for a total of Rs56. How much would she pay for just 3 books?

Laxmi bought 7 books for a total of ₹ 56. How much would she pay for just 3 books ?

Sonu went to a shop. He wanted to buy a chiki and a toffee. One chiki costs ₹ 0.75 and a toffee costs ₹ 0.50. If he buys one each of them how much he has to pay to the shopkeeper. Sonu's mother gave him ₹ 2. He gave it to shopkeeper and bought items of ₹ 1.25. How much he will get in return ? Suppose if his mother gave her ₹ 5 then how much will the shopkeeper return ?

Ravi works as a cashier in a bank. He has currency of denominations ₹100, ₹50, ₹10 respectively. The ratio of number of these notes is 2:3:5. The total cash with, Ravi is ₹4,00,000. How many notes of cash of each denomination does he have?

A publisher is planning to produce a new textbook. The fixed costs (reviewing, editing, typesetting and so on) are Rs 31.25 per book. Besides that, he also spends another Rs 320000 in producing the book. The wholesale price (the amount received by the publisher) is Rs 43.75 per book. How many books must the publisher sell to break even, i.e., so that the costs will equal revenues?