For the following questions answer them individually
If the ratio of volumes of two cones is 2 : 3 and the ratio of the radii of their bases is 1 : 2, then the ratio of their heights will be
3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is same today. The present age of the baby is
The three equal circles touch each other externally. If the centres of these circles be A, B, C then ABC is
The adjoining pie-chart shows the proportional expenditure on various items of Amar’s family. If monthly income of Amar is 48,000, answer the questions.
Had his income be 40,000 how much would be spent on food ?
If 10% of miscellaneous expenditure is earmarked for clothing, how much amount
is spent on clothes ?
How much does he save per month ?
How much does he spend more on rent than on transport and education taken
together ?
Following histogram depicts the range of heights of students in a class of 60 students. Study the same and answer the questions.
The number of students having height more than 150 cms is
The number of students with their heights between 130 to 150 cms is
Group which contains maximum number of students is