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

7th Standard

Reg.No. :
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Maths

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

Part A

10 x 1 = 10
1. The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

(a)

12 mid night

(b)

12 noon

(c)

10 am

(d)

10 pm

2. (-10)+(+7)=____

(a)

+3

(b)

-3

(c)

-17

(d)

+17

3. 20+(-9)+(9)

(a)

20

(b)

29

(c)

11

(d)

38

4. (-100)-0+100=_____

(a)

200

(b)

0

(c)

100

(d)

-200

5. Which property is illustrated by the equation:(5×2)+(5×5)=5×(2+5)

(a)

commutative

(b)

closure

(c)

distributive

(d)

associative

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