Raj invested an amount for two years at a simple interest rate of 8% p.a. He got an amount of Rs 14500 at the end of two years. How much amount did he invest ?

Amar started a business, investing Rs 64000. Six months later, Ajay joined with Rs 48000. In what ratio should the profit they earned be distributed at the end of year ?

Rahul spent 26% on rent, 9% on medical bills, and 15%on school fee. 2 5% of the remaining amount was spent on furniture and the remaining Rs 5100 was saved aside for investments. How much amount did he spend on rent ?

If the difference between the simple interest and the compound interest earned on a sum of money at the rate of 4% p.a. for 2 years is Rs 18, what is the principal ?

Amar, Mohan and Raj started a business in partnership, investing in the ratio of 5 : 2 : 3. At the end of the year they earned a profit of Rs 48000, which is 16% of their total investment. How much did Mohan invest ?

Among 4 8 students each contributes Rs 3 8 to the amount to buy new books for a library. If 4 students drop out, how much additional amount does each student have to pay ?