HARD
10th CBSE
IMPORTANT
Earn 100
There are some students in two examinations halls and . To make the number of students equal in each hall, students were sent from hall to hall . But if students are sent from to , the number of students in becomes double the number of students in . Find the number of students in two halls?
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Important Questions on Pair of Linear Equations in Two Variables
MEDIUM
10th CBSE
IMPORTANT
Students of a class are made to stand in (complete) rows. If Students are extra in a row, there would be rows less. If four students are less in a row, there would be four more rows. Find the number of students in a class?
HARD
10th CBSE
IMPORTANT
The sum of a two digit number and the number obtained by interchanging the digits is . If is added to the number, the new number becomes times the sum of digits. Find the number?
MEDIUM
10th CBSE
IMPORTANT
A two-digit number is seven times the sum of its digits. The number formed by reversing the digits is less than the given number. Find the given number?
HARD
10th CBSE
IMPORTANT
On reversing the digits of a two-digit number, number obtained is less than three times the original number. If the difference of these two numbers is , find the original number.
MEDIUM
10th CBSE
IMPORTANT
The sum of digits of a two-digit number is and the difference between the number and that formed by reversing the digits is Find the number?
MEDIUM
10th CBSE
IMPORTANT
Ten percent of the red balls were added to twenty percent of the blue balls and the total was If three times the number of red balls exceed the number of blue balls by Find the number of red balls and blue balls?
MEDIUM
10th CBSE
IMPORTANT
A man lent a part of money at and the rest at . His annual income is If he had interchanged the rate of interest on two sums, he would have earned more. Find the amount lent in each case?
MEDIUM
10th CBSE
IMPORTANT
The angles of a triangle are and . The difference between the two angles is . Find
