# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 5): Questions 77 - 82 of 147

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## Question number: 77

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Find the odd number out.

### Choices

Choice (4) Response

a.

11

b.

99

c.

121

d.

111

## Question number: 78

» Mental Ability » Basic Arithmetic

MCQ▾

### Choices

Choice (4) Response

a.

b.

c.

d.

1

## Question number: 79

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The given table shows the number of phone calls a radio station received each week for the last month.

WEEKLY PHONE CALLS

 Week Number of calls Received 1 6289 2 7800 3 4300 4 7750

Which is the best estimate of the total number of calls received in the four-week period?

### Choices

Choice (4) Response

a.

15,000

b.

25,000

c.

26,000

d.

30,000

## Question number: 80

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

What will be the vulgar fraction of 0.75

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 81

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The scale drawing for a new clubhouse is drawn so that . If the scale drawing of the clubhouse is drawn with an area of 100 square cm, what will be the area of the actual clubhouse?

### Choices

Choice (4) Response

a.

10 metres

b.

10 square metres

c.

1 square metre

d.

100 square metres

## Question number: 82

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The diagram shows the cow at the farm. Estimate the area that is covered by cow in the farm. Area of each square of the grid is equal to 150 square feet.

### Choices

Choice (4) Response

a.

2200 square feet

b.

2000 square feet

c.

1550 square feet

d.

1050 square feet

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