ICSE ICSE Class 6 - CISCE Question Bank Solutions for Mathematics

Find the number that is 50% more than 48

Find the number that is 30% less than 70

Evaluate:

8% of 900 – 12% of 750 + 20% of 165.

Evaluate:

70% of 70 + 90% of 90 – 120% of 120.

Approximately 97.3% of the water on the earth is not fit for drinking. Find:
(i) the percentage of water on the earth that is fit for drinking.
(ii) The total volume of water available in certain parts of the earth where there are 21,600 m³ of drinking water.

Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.

In 800 m3 of air, calculate the approximate quantities of nitrogen, oxygen, and other gases.

Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.

If a certain quantity (by volume) of air contains 4,200 litres of oxygen, find the total quantity of air taken and the amount of nitrogen in it.

A train covers 51 km in 3 hours. Calculate its speed. How far does the train go in 30 minutes?

A motorist travelled the distance between two towns, which is 65 km, in 2 hours and 10 minutes. Find his speed in metre per minute.

A train travels 700 metres in 35 seconds. What is its speed in km/h?

A racing car covered 600 km in 3 hours 20 minutes. Find its speed in metre per second. How much distance will the car cover in 50 sec?

Rohit goes 350 km in 5 hours. Find:
(i) his speed
(ii) the distance covered by Rohit in 6.2 hours
(iii) the time taken by him to cover 210 km.

A boy drives his scooter with a uniform speed of 45 km/h. Find the distance covered by him in 1 hour 20 min.

A boy drives his scooter with a uniform speed of 45 km/h. Find the time taken by him to cover 108 km.

A boy drives his scooter with a uniform speed of 45 km/h. Find the time taken to cover 900 m.

I travel a distance of 10 km and come back in `2 1/2` hours. What is my speed?

A man walks a distance of 5 km in 2 hours. Then he goes in a bus to a nearby town, which is 40 km, in further 2 hours. From there, he goes to his office in an autorickshaw, a distance of 5 km, in `1/2` hour. What was his average speed during the whole journey?

Jagan went to another town such that he covered 240 km by a car going at 60 kmh^-1. Then he covered 80 km by a train, going at 100 kmh^-1 and the rest 200 km, he covered by a bus, going at 50 kmh^-1. What was his average speed during the whole journey?

The speed of sound in air is about 330 ms^-1. Express this speed in kmh^-1. How long will the sound take to travel 99 km?

Mr. Amit can walk 8 km in 1 hour 20 minutes. How long will it take him to walk:
(i) 2500 m?
(ii) 6.5 km?