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CBSE Notes 2011-2012 » VIII-Maths

Linear Equations in One Variable

A boy was asked to multiply a certain number by 25. He multiplied it by 52 and got his answer more t...

Multiple choice question

A boy was asked to multiply a certain number
by 25. He multiplied it by 52 and got his answer more than the correct by 324. The number to be multiplied was

A father is twice as old as his son. 20 years ago, the age of father was 12 times the age of his son...

Multiple choice question

A father is twice as old as his son. 20 years
ago, the age of father was 12 times the age of
his son. The present age of father (in years) is

Rachit is four times as old as his son. Four years hence the sum of their ages will be 43 years. The...

Multiple choice question

Rachit is four times as old as his son. Four
years hence the sum of their ages will be 43 years. The present age of the son is

The ratio of Vimal's age and Arun's age is 3 : 5 and sum of their ages is 80 years. The ratio of the...

Multiple choice question

The ratio of Vimal's age and Arun's age is 3 : 5 and sum of their ages is 80 years. The ratio of their ages after 10 years will be

In a two digit number, the sum of the digits is 15. If 9 is added to the number, the digits are inte...

Multiple choice question

In a two digit number, the sum of the digits is
15. If 9 is added to the number, the digits are
interchanged. The number is

The sum of three numbers is 264. If the first number be twice the second and third number be one thi...

Multiple choice question

The sum of three numbers is 264. If the first
number be twice the second and third number
be one third of the first, then the second
number is