# Mental Ability-Basic Arithmetic [NCO- Cyber Olympiad (SOF) Class 5]: Questions 9 - 16 of 147

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## Question number: 9

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

Which of the following expression below is true?

### Choices

Choice (4)Response

a.

b.

c.

2 × (7 + 4) = 7 × (2 × 4)

d.

## Question number: 10

» Mental Ability » Basic Arithmetic

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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

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MCQ▾

### Question

30 % of 160 are approximately ________.

### Choices

Choice (4)Response

a.

59

b.

50

c.

48

d.

32

## Question number: 12

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

Reena worked over the weekend

 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.

1.5 hours

d.

2.5 hours

## Question number: 13

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

Which of the following expression below is true?

### Choices

Choice (4)Response

a.

2 × (9 + 4) = 7 × (2 × 4)

b.

c.

d.

## Question number: 14

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

5 Mins + 25 secs = ________

### Choices

Choice (4)Response

a.

4 mins 85 secs

b.

6 mins 95 secs

c.

3 mins 50 secs

d.

3 mins 65 secs

## Question number: 15

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

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

### Choices

Choice (4)Response

a.

5%

b.

15%

c.

12%

d.

10%

## Question number: 16

» Mental Ability » Basic Arithmetic

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MCQ▾

### Question

The smallest four digit number that can be formed using 5,6, 1, and 0 is ________.

### Choices

Choice (4)Response

a.

5610

b.

6510

c.

1056

d.

6501

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