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8th CBSE
IMPORTANT
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Four-fifths of a number is 20 less than the original number. Find the number.

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Important Questions on Linear Equations in One Variable

HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 4
One number is 3 times another number. If 15 is added to both the numbers, then one of the new number becomes twice that of the other new number. Find the numbers.
HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 5
Three numbers are in ratio 2:3:4. If the sum of the largest and the smallest number equals to the sum of third and 33, find the numbers.
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8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 6
Two numbers are such that the ratio between them is 3:5. If each is increased by 5, the ratio between the new number formed is 2:3. Find the original numbers.
HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 7
Find the three consecutive even numbers whose sum is 186.
HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 8
Find the three consecutive odd numbers whose sum is 165.
HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 9
The sum of three consecutive multiples of 7 is 777. Find these multiples.
HARD
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 10
The numerator of a rational number is 3 less than the denominator. If the numerator and denominator are increased by 2, the new fraction becomes 67. Find the original number.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 2 - Linear Equations in One Variable>EXERCISE>Q 11
The denominator of a rational number is greater than its numerator by 3. If the numerator is increased by 14 and the denominator is decreased by 3, the new number becomes 114. What is the original number?