Question
Marks scored by A and B in a test are in the ratio 15:8
respectively. If B had scored 9 more marks, then marks scored by A would be 20% more than that of B. Find the difference between actual marks scored by A and B.Solution
Let actual marks scored by A and B be 15x and 8x respectively. Difference between the marks scored by A and B = 15x – 8x = 7x According to question, => (8x + 9) × 1.2 = 15x => 9.6x + 10.8 = 15x => 5.4x = 10.8 => x = 2 Required difference = 7x = 14
If the sugar price is increased by 25% by how much percent consumption should be reduced that expense remains same.
Consider the following statements :
1. The Arctic Circle is connected with the Pacific Ocean by a narrow stretch of shallow water know...
A judge of a High Court is appointed by the President of India in consultation with:
8 workers working for 8 days make 8 motor cycles. Then how many motor cycles would be made by 4 workers if they work for 4 days? Assume equal efficiency...
If DOG = 26, FLY = 43 them what is the code for ‘BIRD’
Consider the following statements :
1. Punch-marked coins were found only over the Northern regions of the subcontinent.
2. �...
The average of 10 numbers is 30. What will be the new average if one of the numbers is increased by 30 and five of the rest decreased by 4 each?
The Indian Parliament consists of
If each side of a cube is reduced by 50%, the surface area will reduced by.
If we join every possible pair of the mid – points of sides of a square, the number of non-overlapping regions into which of the square is divided is�...
Relevant for Exams:
