MEDIUM
10th CBSE
IMPORTANT
Earn 100

A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid 27 for a book kept for seven days, while Susy paid 21 for the book she kept for five days. Find the fixed charge and the charge for each extra day.

Important Questions on Pair of Linear Equations in Two Variables

MEDIUM
10th CBSE
IMPORTANT
The cost of 4 pens and 4 pencil boxes is 100. Three times the cost of a pen is 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box.
MEDIUM
10th CBSE
IMPORTANT
One says, "Give me a hundred, friend! I shall then become twice as rich as you." The other replies, "If you give me ten, I shall be six times as rich as you." Tell me what is the amount of their respective capital?
MEDIUM
10th CBSE
IMPORTANT
A and B each have a certain number of mangoes. A says to B, "if you give 30 of your mangoes, I will have twice as many as left with you." B replies, "if you give me 10, I will have thrice as many as left with you." How many mangoes does each have?
MEDIUM
10th CBSE
IMPORTANT
Vijay had some bananas, and he divided them into two lots A and B. He sold first lot at the rate of 2 for 3 bananas and the second lot at the rate of 1 per banana and got a total of 400. If he had sold the first lot at the rate of 1 per banana and the second lot at the rate of 4 per five bananas, his total collection would have been 460. Find the total number of bananas he had.
MEDIUM
10th CBSE
IMPORTANT
On selling a T.V. at 5% gain and a fridge at 10% gain, a shopkeeper gains 2000. But if he sells the T.V. at 10% gain the fridge at 5% loss. He gains 1500 on the transaction. Find the actual prices of T.V. and fridge.
MEDIUM
10th CBSE
IMPORTANT
The sum of two numbers is 8. If their sum is four times their difference, find the numbers.
MEDIUM
10th CBSE
IMPORTANT
The sum of digits of a two-digit number is 13. If the number is subtracted from the one obtained by interchanging the digits, the result is 45. What is the number?
MEDIUM
10th CBSE
IMPORTANT
A number consist of two digits whose sum is five. When the digits are reversed, the number becomes greater by nine. Find the number.