Class 7 Integers CBSE Questions & Answers

A plane is flying at the height of 5000 m above the sea level. At a particular point, it is exactly above a submarine floating 1200 m below the sea level. What is the vertical distance between them?

\({\text{5 }} \times {\text{ }}\left( { - {\text{4}}} \right){\text{ }} = {\text{ }}\_\_\_\_\_\_\)

\(\left( { - {\text{5}}} \right){\text{ }} \times {\text{ }}\left( { - {\text{4}}} \right){\text{ }} \times {\text{ }}\left( { - {\text{3}}} \right){\text{ }} = {\text{ }}\_\_\_\_\_\_\_\)

\(\left( {--{\text{ 4}}} \right){\text{ }} \times {\text{ }}\left[ {\left( {--{\text{2}}} \right){\text{ }} + {\text{ 7}}} \right]{\text{ }} = {\text{ }}\_\_\_\_\_\_\_\_\)

\(\left( {--{\text{2}}0} \right){\text{ }} \div {\text{ }}\left( {\text{5}} \right){\text{ }} = \_\_\_\_\_\)

On a number line when we add a _______ integer, we move to the left.

The additive inverse of any integer ________ is a.

For any two integers a and b, we can say a + b = _____.

For all integers a and b, \(a \times b\) is an __________.

Find: \(\left( {-{\text{54}}} \right){\text{ }} \div {\text{ 9}}\)

Find: \(\left( {-{\text{261}}} \right){\text{ }} \div {\text{ }}\left( {-{\text{3}}} \right)\)

In a test (+5) marks are given for every correct answer and (–2) marks are given for every incorrect answer. Jay answered all the questions and scored (–12) marks though he got 4 correct answers. How many incorrect answers had they attempted?

In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer. One of her friends gets only 5 answers correct. What will be her score?

8 ____-9

At Srinagar temperature was – 5\(^\circ \)C on Monday. On Wednesday, it rose by 4\(^\circ \)C. What was the temperature on this day?