ICSE ICSE Class 6 - CISCE Question Bank Solutions for Mathematics

Mr. Sharma has a monthly salary of ₹ 8,000. If he spends ₹ 6,400 every month; find:
(i) his monthly expenditure as a percent.
(ii) his monthly savings as a percent.

The monthly salary of Rohit is ₹ 24,000. If his salary increases by 12%, find his new monthly salary

In a sale, the price of an article is reduced by 30%. If the original price of the article is ₹ 1,800, find:
(i) the reduction in the price of the article
(ii) reduced price of the article.

Evaluate:

30% of 200 + 20% of 450 – 25% of 600

Evaluate:

10% of ₹ 450 – 12% of ₹ 500 + 8% of ₹ 500.

The price of rice rises from Rs. 30 per kg to Rs. 36 per kg. Find the percentage rise in the price of rice.

The population of a small locality was 4000 in 1979 and 4500 in 1981, By what percent had the population increase?

The price of a scooter was ₹ 8000 in 1975. It came down to ₹ 6000 in 1980. By what percent had the price of the scooter came down?

Find the resulting quantity when ₹ 400 is decreased by 8%.

Find the resulting quantity when 25 km is increased by 5%.

Find the resulting quantity when a speed of 600 km/h is increased by `12 1/2%`

Find the resulting quantity when there is a 2.5% increase in the salary of ₹ 62,500.

The population of a village decreased by 12%. If the original population was 25,000, find the population after decrease?

Out of a salary of Rs. 13,500, I keep 1/3 as savings. Of the remaining money, I spend 50% on food and 20% on house rent. How much do I spend on food and house rent?

A tank can hold 50 litres of water. At present, it is only 30% full. How many litres of water shall I put into the tank so that it becomes 50% full?

In an election, there are a total of 80,000 voters and two candidates, A and B. 80% of the voters go to the polls out of which 60% vote for A. How many votes does B get.

70% of our body weight is made up of water. Find the weight of water in the body of a person whose body weight is 56 kg.

Only one-fifth of water is available in liquid form. This limited amount of water is replenished and used by man recurrently. Express this information as percent, showing:
(i) water available in liquid form.
(ii) water available in frozen form.

By weight, 90% of tomato and 78% of potato is water. Find the weight of water in 25 kg of tomato.

By weight, 90% of tomato and 78% of potato is water. Find the total quantity, by weight, of water in 90 kg of potato and 30 kg of tomato.