Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 5): Questions 9 - 15 of 147

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Question number: 9

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following expression below is true?

Choices

Choice (4) Response
a.

14+1=0+14

b.

2×(8×3)=8×(2×3)

c.

2 × (7 + 4) = 7 × (2 × 4)

d.

8+4=5+8

Question number: 10

» Mental Ability » Basic Arithmetic

MCQ▾

Question

50 % of 150 are approximately ________.

Choices

Choice (4) Response
a.

15

b.

70

c.

50

d.

75

Question number: 11

» Mental Ability » Basic Arithmetic

MCQ▾

Question

30 % of 160 are approximately ________.

Choices

Choice (4) Response
a.

48

b.

32

c.

59

d.

50

Question number: 12

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Reena worked over the weekend

Reena worked over the weekend

In this table Day and hours are given

Reena worked over the weekend

In this table Day and hours are given

Day

Hours

Saturday

9.5

Sunday

7

How many more hours did Reena work on Saturday than on Sunday?

Choices

Choice (4) Response
a.

3 hours

b.

2 hours

c.

2.5 hours

d.

1.5 hours

Question number: 13

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following expression below is true?

Choices

Choice (4) Response
a.

8+4=5+8

b.

14+2=8×2

c.

2+(8×3)=8×(2×3)

d.

2 × (9 + 4) = 7 × (2 × 4)

Question number: 14

» Mental Ability » Basic Arithmetic

MCQ▾

Question

5 Mins + 25 secs = ________

Choices

Choice (4) Response
a.

3 mins 65 secs

b.

6 mins 95 secs

c.

3 mins 50 secs

d.

4 mins 85 secs

Question number: 15

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A Chair was bought for Rs. 1000 and sold for Rs. 900. Then the loss percent is

Choices

Choice (4) Response
a.

15%

b.

5%

c.

12%

d.

10%

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