Question
A is half as efficient as B. C does half as much work as
A and B together. If c alone can do the work in 40 days. Then in how many days will A, B and C together finish the work?Solution
In a competition between two participants, one participant secured 55% of the total points and won by a margin of 3,300 points. What was the total numbe...
A boat can travel 30 km downstream in 2 hours and return upstream in 3 hours. What is the speed of the boat in still water?
Below given is a wrong number series & 'p' is the replacement of the wrong term.
1360, 1362, 1367, 1380, 1400
I. ‘p’ is a prime number...
The lengths of two sides of a parallelogram are 3 cm and 10 cm. What is the sum of the squares of the diagonals of the parallelogram?
If total lakes in X are 25% more than total parks in P and total parks in X are 50% more than total parks in R, then find total parks and lakes in X.
A man allocates 12%, 18%, and 20% of his salary to his three children, P, Q, and R, respectively. The children spend 50%, 60%, and 56% of their received...
A and B together can complete a task in 12 days. A alone can complete the task in 20 days. In how many days can B alone complete the task?
From a point 30 m away from the base of a building, the angle of elevation to the top of the building is 60°. Find the height of the building.
The following table shows the marks obtained by five students in three subjects:
24.5% of 400 + 528 of 12.5 ÷ 11
