Operations with Integers Class 7 Very Short Question Answer

Operations with Integers Class 7 Very Short Question Answer

Operations with Integers Class 7 Very Short Question Answer

Question 1.

Write a pair of integers whose product is - 36 and whose difference is 15.

Solution:

- 3, 12

Question 2.

What’s the Error ? Ramu evaluated the expression -7 - (-3) and came up with the answer -10. What did Ramu do wrong?

Solution:

Ramu went wrong in solving - (-3) and took it as - 3 only.

Question 3.

What’s the Error? Reeta evaluated -4 + d for d = - 6 and gave an answer of 2. What might Reeta have done wrong ?

Solution:

Reeta went wrong in sloving + (- 6) and took it as + 6.

Question 4.

A green grocer had a profit of ₹ 47 on Monday, a loss of ₹ 12 on Tuesday and loss of ₹ 8 on Wednesday. Find his net profit or loss in 3 days.

Solution:

Net profit ₹ 27

Question 5.

Taking today as zero on the number line, if the day before yesterday is 17 January, what is the date 3 days after tomorrow ?

Solution:

23rd January