#### T1 - Number System English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

7th Standard

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Maths

Time : 00:10:00 Hrs
Total Marks : 10

Part A

10 x 1 = 10
1. Identify the problem with negative numbers as its answer:

(a)

-9+(-5)+6

(b)

8+(-12)-6

(c)

-4+2+10

(d)

10+9-4)+8

2. (-8)+10+(-2)=____

(a)

2

(b)

8

(c)

0

(d)

20

3. (-5)-(-18)=____

(a)

23

(b)

-13

(c)

13

(d)

-23

4. Which of the following expressions is equal to –30.

(a)

–20 – (–5 x 2)

(b)

(6 x 10) – (6 x 5)

(c)

(2 x 5) + (4 x 5)

(d)

(–6) x (+5)

5. 11×(–1)=_____

(a)

-1

(b)

0

(c)

+1

(d)

–11

6. (-2)×−(-9)=_____

(a)

108

(b)

-108

(c)

+1

(d)

-1

7. Which of the following does not represent an Integer?

(a)

0÷(-7)

(b)

20÷(−4)

(c)

(-9)÷3

(d)

(12)÷5

8. (−16)÷4 is the same as

(a)

-(-16÷4)

(b)

−(16)÷(-4)

(c)

16÷(-4)

(d)

−4÷16

9. (−200)÷10is

(a)

20

(b)

-20

(c)

-190

(d)

210

10. The set of integers is not closed under

(a)

(b)

Subtraction

(c)

Multiplication

(d)

Division