Mental Ability (NCO- Cyber Olympiad Class 7): Questions 155 - 160 of 205

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Question number: 155

» 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)

15

(i)

(19)4

(B)

(1)35

(ii)

(72)2

(C)

(27)2

(iii)

1

(D)

(9)4

(iv)

5

Choices

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

a.

  • (iv)
  • (iii)
  • (ii)
  • (i)

b.

  • (ii)
  • (iii)
  • (iv)
  • (i)

c.

  • (i)
  • (iii)
  • (iv)
  • (ii)

d.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 156

» Mental Ability » Basic Geometry

MCQ▾

Question

STU is an isosceles triangle with ST = SU and T=45° and SV is an altitude of a triangle STU, then U=?

Choices

Choice (4) Response

a.

45°

b.

25°

c.

55°

d.

35°

Question number: 157

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The average age of 15 children in a class is 7 years. If the teacher’s age is included, the average age becomes 10 years. Find the teacher’s age.

Choices

Choice (4) Response

a.

55

b.

42

c.

35

d.

45

Question number: 158

» Mental Ability » Basic Arithmetic

MCQ▾

Question

. If (15)3y = 0.008, then (0.20)y will be ________

Choices

Choice (4) Response

a.

0.125

b.

1

c.

0.0625

d.

0.20

Question number: 159

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A shopkeeper declares a sale of electronics item, giving 15 % discount. If the net sale price of an electronic item is rupees 5000, what is its market price?

Choices

Choice (4) Response

a.

550 Rs.

b.

952 Rs.

c.

5882.35 Rs.

d.

500 Rs.

Question number: 160

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.

Choices

Choice (4) Response

a.

3x

b.

x

c.

x2

d.

2x

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