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.
If 10% of miscellaneous expenditure is earmarked for clothing, how much amount
is spent on clothes ?
Following histogram depicts the range of heights of students in a class of 60 students. Study the same and answer the questions.