NCO- Cyber Olympiad Class 7: Questions 140 - 143 of 416

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Question number: 140

» Mental Ability » Number Games

MCQ▾

Question

The product of two numbers is 25 and the sum of their squares is 125. The sum of the number is.

Choices

Choice (4) Response

a.

21.21

b.

13.22

c.

16.90

d.

None of the above

Question number: 141

» Mental Ability » Basic Algebra

MCQ▾

Question

If st and uv be any two rational numbers then we define: stuv=st+(uv)

Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract 85 from 32 .

Choices

Choice (4) Response

a.

110

b.

3110

c.

110

d.

1410

Question number: 142

» Non Verbal Reasoning » Cubes and Dices

MCQ▾

Question

Two positions of a dice are shown below. When there are 3 circles at the button, the number of circles at the button will be

Two dice are shows different position

Two Dice Are Shows Different Position

Find out the number of circles at the top when there are three circles at the bottom

Choices

Choice (4) Response

a.

4

b.

5

c.

6

d.

1

Question number: 143

» 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)

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