Question

By observing the number line, state which of the following statements is not true.



(a) B is greater than – 10 (b) A is greater than 0

(c) B is greater than A (d) B is smaller than 0

Q6. Find the out the odd one out of the four options given below:

(a) (– 2 , 24) (b) (– 3 , 10) (c) (– 4 , 12) (d) (– 6 , 8)

Q7. 5 1

6

÷

9

2

is equal to:

(a) 31

6

(b) 1

27

(c) 5 1

27

(d) 31

27



Q8. Which of the following is positive?

(a) −8

7

(b) 19

−13

(c) −3

−4

(d) −21

13



Q9. Which of the following does not represent an integer?

(a) 0 ÷ (– 2) (b) 20 ÷ (– 4) (c) (– 9) ÷ 3 (d) (– 12) ÷ 5

Q10. The standard form of −48

60

is:

(a) 48

60

(b) −60

48

(c) −4

5

(d) −4

−5



SECTION-B (3 x 6 = 18)

Q11. In her Science class, Jyoti learned that the atomic weight of Helium is 4.0030; of

Hydrogen is 1.0080; and of Oxygen is 16.0000. Find the difference in the atomic

weights of:

(i) Oxygen and Hydrogen (ii) Oxygen and Helium (iii) Helium and Hydrogen

Q12. Find the product using suitable properties:

(i) 13 x (– 25) x (– 4) x (– 10) (ii) 61 x (– 45) + (– 61) x 55​

Answer 1

Q - 1. By observing the number line, state which of the following statements is not true.

The correct option is C ( B is greater than A)

Q - 2. Find the out the odd one out of the four options given below:

The correct option is b (-3,10) because 3 is a odd number.

Q - 3. 5 + 1 6  ÷ 9 2  is equal to:

The correct option is b (1/27).

Q - 4. Which of the following is positive

The correct option is c (-3,-4) because minus minus will be plus.

Q - 5.  Which of the following does not represent an integer?

The correct option is a {0 ÷ (– 2)}.

Q - 6. The standard form of −48 /60

The correct option is c (-4/5)

$\rule{200}{2}$

$\longrightarrow \mathbb{B}\sf{y} : \: \: \: \: \: \mathbb{B}\sf{rainly}\mathbb{F}\sf{ighters}$