# Mental Ability (NCO- Cyber Olympiad (SOF) Class 6): Questions 157 - 164 of 394

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## Question number: 157

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

64 % of 30 % of 45 %=?

### Choices

Choice (4) Response

a.

8.64 %

b.

45 %

c.

10 %

d.

30 %

## Question number: 158

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If A stands for add, B for subtract, C for multiply and D for divide then stands for

### Choices

Choice (4) Response

a.

6

b.

5

c.

7

d.

4

## Question number: 159

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

One train travels at 45 kmph and another at 10 . Ratio of their speeds is

### Choices

Choice (4) Response

a.

5: 4

b.

2: 3

c.

4: 5

d.

3: 2

## Question number: 160

» Mental Ability » Basic Geometry

MCQ▾

### Question

Perimeter of the shaded region is,

### Choices

Choice (4) Response

a.

72 m

b.

60 m

c.

64 m

d.

84 m

## Question number: 161

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

20 % of 40 % of 60 %=?

### Choices

Choice (4) Response

a.

50 %

b.

48 %

c.

30 %

d.

4.80 %

## Question number: 162

» Mental Ability » Basic Geometry

MCQ▾

### Question

Perimeter of the shaded region is,

Where, a = 6 cm, b = 6.5 cm, c = 7 cm.

### Choices

Choice (4) Response

a.

15 cm

b.

9.50 cm

c.

9.75 cm

d.

10 cm

## Question number: 163

» Mental Ability » Basic Geometry

MCQ▾

### Question

A regular hexagon can have

### Choices

Choice (4) Response

a.

All equal sides

b.

All equal angles

c.

Three equal angles

d.

Both a. and b. are correct

## Question number: 164

» Mental Ability » Basic Geometry

MCQ▾

is equal to,

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page