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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 worker may claim Rs. 15 for each km which he travels by taxi and Rs. 5 for each km which he drives...

Multiple choice question

A worker may claim Rs. 15 for each km which
he travels by taxi and Rs. 5 for each km which
he drives his own car. If in one week he claimed Rs. 500 for travelling 80 km, then how
many km did he travel by taxi ?

A class starts at 10 a.m. and lasts at 1 : 27 p.m. Four periods are held during this interval. After...

Multiple choice question

A class starts at 10 a.m. and lasts at 1 : 27 p.m.
Four periods are held during this interval. After every period, 5 minutes are given free to the students and last period is over exactly at
1 : 27 p.m. The exact duration of each period is

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

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