Binny spends Rs. `a` daily and saved Rs. `b` per week. What is her income for two weeks?

Rohan spends Rs. x daily and saves Rs. y per week. What is his income after 3 weeks?

Aarushi spends R sdotx\ daily and saves R sdoty per week. How much money she saves in x y^2 weeks?

The number of bacteria in a culture is x now. It becomes square of itself after one week. What will be its number after two weeks?

If carol earnsx dollars a week for 3 weeks and y dollars a week for 4 weeks, what is the average number of dollars per week that she earns?

Ken is working this summer as part of a crew on a farm. He earned $8 per hour for the first 10 hours he worked this week. Because of his performance, his crew leader raised his salary to $10 per hour for the rest of the week. Ken saves 90% of his earnings from each week. What is the least number of hours he must work the rest of the week to save at least $270 for the week?

Out of an income of Rs 15000, Nazima spends Rs 10200. What per cent of her income does she save?

A bookstore sold books worth Rs. 2,85,891 in the first week of June and books worth Rs. 4,00,768 in the next week. How much was the sale in the two weeks together? In which week was the sale greater and by how much?

A boy saves Rs. 4.65 daily. Find the least number of days in which he will be able to save an exact number of rupees.

Sunita had Rs. 1250 in her bank account. On Monday, she withdrew Rs. 650. On Tuesday she deposited Rs. 1100 and again withdrew Rs. 875 on Wednesday. What was her account balance on Thursday ?

Priya spends 3/5 of her income on house hold expenses and 1/7 of her income on personal expenses. If her monthly income is Rs 35000, find her monthly savings.