## Category: Paper -1

## S-1-29 A container opens at the top and made up of metal

A container opens at the top and made up of metal sheet is in the form of a frustum of a cone of height 16cm with diameters of its lower and upper ends as 16cm and 40cm respectively. Find the cost of Read More …

## S-1-28 Suppose a person is standing on a tower of height

## S-1-27 Construct an isosceles triangle whose base is 7cm

## S-1-26 Prove that the lengths of two tangents drawn

## S-1-25 In the adjoining figure, PQR, is a right triangle,

In the adjoining figure, PQR, is a right triangle, right angled at Q. X and Y are the points on PQ and QR such that PX : XQ = 1 : 2 and QY : YR = 2 : 1. Read More …

## S-1-24 A thief away from a Police Station with a uniform speed

A thief away from a Police Station with a uniform speed 100m/minutes. After one minute a Policeman runs behind the thief to catch him. He goes at a speed of 100m/minute in first minute and increases the speed 10m/minute on each succeeding Read More …

## S-1-23 Solve graphically the following equations 2x + 3y = 9;

Solve graphically the following equations 2x + 3y = 9; x – 2y =1. Shade the region bounded by the two lines and the x axis. Or Check graphically whether the pair of equations x + y = 8 and x Read More …

## S-1-22 What is the probability that a leap year,

What is the probability that a leap year, selected at random will contain 53 Thursdays? Ans : There are 366 days in a leap year that contain 52 weeks and 2 more days. So, 52 Thursdays and 2 days. These 2 Read More …

## S-1-21 The following table shows the gain in weight by 50 children in a year.

The following table shows the gain in weight by 50 children in a year. Calculate modal gain in weight. Gain in weight (in kg) 1 – 3 3 – 5 5 – 7 7 – 9 9- 11 11-13 No. of Read More …