# Mental Ability (NCO- Cyber Olympiad Class 7): Questions 97 - 102 of 205

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## Question number: 97

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

6 children and 10 men completed a certain piece of work in 12 days. Each children takes twice the time taken by a man to finish the work. In how many days will 10 men finish the same work?

### Choices

Choice (4) Response

a.

8

b.

15.6

c.

12.5

d.

9

## Question number: 98

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Convert the 0.25 into vulgar fractions

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 99

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A train 360 m long is running at a speed of . In what time will it pass a bridge 140 m long?

### Choices

Choice (4) Response

a.

48 sec

b.

45 sec

c.

40 sec

d.

42 sec

## Question number: 100

» Mental Ability » Basic Statistics

Match List-Ⅰ List-Ⅱ▾

### Question

Match the reciprocal of each of the following in exponential form:
 List-Ⅰ List-Ⅱ (A) Equation (i) Equation (B) Equation (ii) Equation (C) Equation (iii) Equation (D) Equation (iv) Equation

### Choices

Choice (4) Response
• (A)
• (B)
• (C)
• (D)

a.

• (iv)
• (iii)
• (ii)
• (i)

b.

• (i)
• (ii)
• (iv)
• (iii)

c.

• (iii)
• (iv)
• (ii)
• (i)

d.

• (ii)
• (iii)
• (iv)
• (i)

## Question number: 101

» Mental Ability » Basic Geometry

MCQ▾

### Question

PQR is an isosceles triangle with and PS is altitude, then

### Choices

Choice (4) Response

a.

PS = PQ

b.

PR = PQ

c.

PS = PR

d.

PS = QR

## Question number: 102

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Which of the following can be the exact multiple of 2?

### Choices

Choice (4) Response

a.

27

b.

15

c.

63

d.

12

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