ICSE ICSE Class 7 - CISCE Question Bank Solutions for Mathematics

In the given figure, AD = 13 cm, BC = 12 cm, AB = 3 cm and angle ACD = angle ABC = 90°. Find the length of DC.

A bag contains ₹ 1,600 in the form of ₹10 and ₹20 notes. If the ratio between the numbers of ₹10 and ₹20 notes is 2 : 3; find the total number of notes in all.

The ratio between the prices of a scooter and a refrigerator is 4 : 1. If the scooter costs ₹ 45,000 more than the refrigerator, find the price of the refrigerator.

A ladder, 6.5 m long, rests against a vertical wall. If the foot of the ladder is 2.5 m from the foot of the wall, find up to how much height does the ladder reach?

Check whether the following quantities form a proportion or not?

3x, 7x, 24 and 56

A boy first goes 5 m due north and then 12 m due east. Find the distance between the initial and the final position of the boy.

Check whether the following quantities form a proportion or not?

0.8, 3, 2.4 and 9

Use the information given in the figure to find the length AD.

Check whether the following quantities form a proportion or not?

`1 1/2, 3 1/4, 4 1/2  "and"  9 3/4`

Check whether the following quantities form a proportion or not?

0.4, 0.5, 2.9 and 3.5 

Check whether the following quantities form a proportion or not?

`2 1/2, 5 1/2, 3.0  "and"  6.0`

Find the fourth proportional of 3, 12 and 4

In the figure given below, draw the line (s) of symmetry, if possible:

Find the fourth proportional of 5, 9 and 45

Find the fourth proportional of 2.1, 1.5 and 8.4.

In the figure given below, draw the line (s) of symmetry, if possible:

Find the fourth proportional of `1/3, 2/5` and 8.4.

In the figure given below, draw the line (s) of symmetry, if possible:

In the figure given below, draw the line (s) of symmetry, if possible:

Find the fourth proportional of 4 hours 40 minutes, 1 hour 10 minutes and 16 hours.