Divide ₹2440 among four persons A, B, C, D so that B’s share is $\frac{5}{9}$ of A’s, C has $\frac{7}{10}$ of B’s and D has one-third as much as B and C together.

4 persons went to purchase pens in ratio 1/3:1/4:1/5:1/6from a stationary shop. The shopkeeper decided to give one pen free on purchase of every two pens per person. If the cost of a pen was Rs 7; then find a minimum amount that was earned by the shopkeeper. [For example, if a person wants to buy 4 pens then his purchase will be (2 pens + 1 pen free) + 1 pen i.e for 4 pens he will pay for 3 pens only].

Anil deposited Rs. 5500 in a bank at compound interest and the sum is doubled after 4 years. What will the sum become after 16 years?

Aditya, Manish and Gaurav enter into a business with investing in ratio $\frac{7}{2}:\frac{4}{3}:\frac{6}{5}$. After 4 months, Aditya increases his share by 50% and at the end of a year, business earned a profit of Rs43200. Find the profit share of Manish?

According to a census report, per capita income of India is going to be an increasing A.P with first year’s rate as 5% and common difference as 5%, but simultaneously the inflation rate is an increasing G.P. with first term as 1% and common ratio of 2. If per capita income on 31 December 2010 is Rs15000, then find in which year will income witness its first fall(In terms of percentage) ?

A lent some money to B at Simple interest and received Rs 12000 in five years including  60% interest on the sum borrowed. A invested the entire cash into mutual funds for three years which guaranteed him a minimum return of 12% P.A(Compounded annually). Find the minimum interest received from mutual funds after three years

One-fourth of 40% of a is equal to one-sixth of 70% of b. What is the ratio of a and b?

The ratio of A and B is 8 : 3. If 4 is added to A and 5 is subtracted from B, then A becomes four times B. Find the value of A and B.

The difference between the amount after S.I and C.I compounded annually on a certain sum of money for 2 years at 5% p.a. is Rs. 60. Then, the sum is-

Charlie took a loan from the bank. He paid the interest at 10% p.a. for the first year, the rate was increased by 2% for the next two years, and for the last two years, it was 13% p.a. Charlie returned Rs. 19,470 as a simple interest to the bank in 5 years. Find the sum loaned by the bank.

A sum of 1500 was lent to two people, one at the rate of 6% and the other at 9%. If the simple interest after 2 years is Rs. 216, find the sum lent at each rate.

A sum of money invested at compound interest amounts to Rs. 10000 in 4 years and to Rs. 12000 in 5 years. Find the amount that the sum will yield after 6 years. 

The annual payment of ₹ 160 in 5 year at 5% per annum simple interest will discharge a debt of :

A, B, C and D started business of manufacturing crayons. They agreed to share the profit as follows A : B = 7 : 12, B : C = 6 : 5 and C : D = 10 : 8. What is the part of the profit received by A?

The perimeter of a quadrilateral is 243 cm. If the sides of the quadrilateral are in ratio $\frac{2}{3}:\frac{5}{6}:\frac{7}{10}:\frac{1}{2}$.Find the difference of the sum of two smaller sides to that of the two larger sides.