# Mental Ability (NCO- Cyber Olympiad (SOF) Class 9): Questions 76 - 82 of 219

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## Question number: 76

» Mental Ability » Basic Arithmetic

MCQ▾

Only if

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 77

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In three colored boxes-red, green and blue 120 balls are placed. There are twice as many balls in the green and red boxes combined as there are in the blue box and twice as many in the blue as there are in the red box. How many balls are there in the green box?

### Choices

Choice (4) Response

a.

54

b.

36

c.

45

d.

None of the above

## Question number: 78

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

This question when simplified is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 79

» Mental Ability » Number Games » Number Series

MCQ▾

### Question

32,31,33,32,34,33, ________ what number should come next?

### Choices

Choice (4) Response

a.

35

b.

34

c.

36

d.

32

## Question number: 80

» Mental Ability » Basic Algebra

MCQ▾

### Question

Expression is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 81

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Question when simplified is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 82

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In three colored boxes-pink, cyan and yellow 240 balls are placed. There are thrice as many balls in the cyan, pink boxes combined as there are in the yellow box, and twice as many in the yellow as there are in the pink box. How many balls are there in the yellow box?

### Choices

Choice (4) Response

a.

36

b.

50

c.

60

d.

30

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