Area of a rectangle is 150 m² . When the breadth of the same rectangle is increased by 2 m and the length decreased by 5 m, the area of the rectangle decreases by 30 m². What is the perimeter of the square whose sides are equal to the length of the rectangle

A vessel contains a mixture of milk and water in the respective ratio of 5 : 1 : 24 litre of mixture was taken out and replaced with the same quantity of milk so that the resultant ratio between the quantities of milk and water in the mixture was 13:2 respectively. If 15 litre of the mixture is again taken out from the vessel, what is the resultant quantity of milk in the mixture ? (in litre)

10 men can complete a project in 12 days, 12 children can complete the same project in 16 days and 8 women can complete the same project in 20 days. 5 men and 12 children started working on the project. If after 4 days, 8 children were replaced by 4 women. In how many days the remaining project was completed

Boat A travels downstream from Point X to Point Y in 3 hours less than the time taken by Boat B to travel upstream from Point Y to Point Z. The distance between X and Y is 20 km, which is half of the distance between Y and Z. The speed of Boat B in still water is equal to the speed of Boat B upstream. What is the speed of Boat. A in still water

(Consider the speed of the current to be the same.)

Rohan travelling at a speed of ‘X’ km/h took 2 hours 30 min to cover ²/₃^rd of the distance. Travelling at a speed of ‘X+2’ km/h, he took 50 min to cover the remaining 1/3^rd of the same distance. What was the total distance

An equal sum is invested for six years in scheme A offering simple interest at X% p.a. and in Scheme B for two years offering compound interest at 10% p.a. (compounded annually). The interest earned from Scheme A is double the interest earned from Scheme B. Had the rate of interest been X+2% simple interest p.a. in scheme A, the difference in the interests earned from both the schemes would have been INR 3960/-, what was the sum invested in each of the scheme

Amit and Sujit together can complete an assignment of data entry in 5 days. Sujit’s speed is 80% of Amit’s speed and the total key depressions in the assignment are 576000. What is Amit’s speed in key depressions per hour if they work for 8 hours a day

Mr. X invested a certain amount in Debit and Equity Funds in the ratio of 4:5 respectively. At the end of one year, he earned a total dividend of 30% on his investment. After one year he reinvested the amount including dividend in the ratio of 6:7 in Debt and Equity Funds. If the amount reinvested in Equity Funds. If the amount reinvested in Equity Funds was INR 94500/-, what was the original amount invested in Equity Funds?

Fredrick after spending 20% of his monthly salary in buying electronic goods and 10% of the monthly salary in repair work of furniture, invested 30% of the remaining amount in fixed deposits. If he was left with INR 18,963/-, how much is his monthly salary ?

A water tank has one inlet, A and one outlet, B. A takes 5 hours to fill the empty tank, when B is not open and B takes 8 hours to empty the full tank, if the tank  is three fifth full, how much time will it take to fill the tank completely when both A and B are opened simultaneously ?(in hours)