Secondary School (English Medium) (5 to 8) Class 7 - CBSE Question Bank Solutions for Mathematics

Find the product, using suitable properties:

625 × (− 35) + (− 625) × 65

Find the product, using suitable properties:

7 × (50 − 2)

Find the product, using suitable properties:

(− 17) × (− 29)

Find the product, using suitable properties:

(− 57) × (− 19) + 57

A certain freezing process requires that room temperature be lowered from 40°C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?

In a class test containing 10 questions, 5 marks are awarded for every correct answer and (− 2) marks are awarded for every incorrect answer and 0 for questions not attempted.

Mohan gets four correct and six incorrect answers. What is his score?

A cement company earns a profit of Rs 8 per bag of white cement sold and a loss of Rs 5 per bag of grey cement sold

1) The company sells 3, 000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

2) What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey bags sold is 6,400 bags.

Find 1.3 × 10

Find 36.8 × 10

Find 153.7 × 10

Find 168.07 × 10

Find 31.1 × 10

Find 156.1 × 100

Find 3.62 × 100

Find 43.07 × 100

Find 0.5 × 10

Find 0.08 × 10

Find 0.9 × 100

Find 0.03 × 1000

A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol?