# Mental Ability (NCO- Cyber Olympiad (SOF) Class 7): Questions 86 - 90 of 205

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## Question number: 86

» Mental Ability » Basic Statistics

Match List-Ⅰ List-Ⅱ▾

### Question

Match the following.
 List-Ⅰ List-Ⅱ (A) Orthocenter (i) The point at which the three angle bisectors of a triangle meet (B) Circumcenter (ii) The point of intersection of the perpendicular of the sides of a triangle (C) In Centre (iii) The point at which the medians of a triangle meet (D) Centroid (iv) The point at which the altitudes of a triangle meet

### Choices

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

a.

• (iii)
• (i)
• (iv)
• (ii)

b.

• (iv)
• (ii)
• (i)
• (iii)

c.

• (i)
• (iii)
• (iv)
• (ii)

d.

• (iv)
• (iii)
• (ii)
• (i)

## Question number: 87

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A train 600 meters long is running at a speed of If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is.

### Choices

Choice (4) Response

a.

500

b.

130

c.

300

d.

360

## Question number: 88

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A cistern can be filled by two tapes A and B in 5 hours and 8 hours respectively. How much time will the cistern be filled up completely?

### Choices

Choice (4) Response

a.

3.08 hours

b.

24 hours

c.

48 hours

d.

3.6 hours

## Question number: 89

» Mental Ability » Number Games

MCQ▾

### Question

A man has Rs. 396 in the denominations of 1-rupee notes, 5-rupee notes and 10-rupee notes, 20-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

### Choices

Choice (4) Response

a.

60

b.

48

c.

75

d.

44

## Question number: 90

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

8 children and 12 men completed a certain piece of work in 9 days. Each children takes twice the time taken by a man to finish the work. In how many days will 12 men finish the same work?

### Choices

Choice (4) Response

a.

9

b.

12

c.

8

d.

15

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