Mental Ability (NCO- Cyber Olympiad 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.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

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 Equation 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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