MEDIUM
9th Kerala Board
IMPORTANT
Earn 100

Four times a number and three times another number added together make 43. Two times the second number, subtracted from three times the first gives 11. What are the numbers?

Important Questions on Pairs of Equations

MEDIUM
9th Kerala Board
IMPORTANT
The sum of the digits of a two-digit number is 11. The number got by interchanging the digits is 27 more than the original number. What is the number?
MEDIUM
9th Kerala Board
IMPORTANT
Four years ago, Rahim's age was three times Ramu's age. After two years, it would just be double. What are their ages now?
HARD
9th Kerala Board
IMPORTANT
If the length of a rectangle is increased by 5 metres and the breadth decreased by 3 metres, the area would decrease by 5 square metres. If the length is increased by 3 metres and breadth increased by 2 metres, the area would increase by 50 square metres. What are the length and breadth?
HARD
9th Kerala Board
IMPORTANT
A 10 metre long rope is to be cut into two pieces and a square is to be made using each. The difference in the areas enclosed must be 114 square metres. How should it be cut?
HARD
9th Kerala Board
IMPORTANT
The length of a rectangle is 1 metre more than its breadth. Its area is 334 square metres. What are its length and breadth?
HARD
9th Kerala Board
IMPORTANT
The hypotenuse of a right triangle is 612 centimetres and its area is 712 square centimetres. Calculate the lengths of its perpendicular sides.