Mental Ability (NCO- Cyber Olympiad Class 7): Questions 154 - 158 of 205

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Question number: 154

» Mental Ability » Basic Algebra

MCQ▾

Question

Step 1: Equation

Step 2: Equation

Step 3: Equation

Are the above given steps a simplification of algebraic expression Equation

Choices

Choice (4) Response

a.

Only step 1 is correct

b.

Only step 1 and 2 are correct

c.

No

d.

Yes

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)

Equation

(i)

Equation

(B)

Equation

(ii)

Equation

(C)

Equation

(iii)

1

(D)

Equation

(iv)

Equation

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 Equation and SV is an altitude of a triangle STU, then Equation

Choices

Choice (4) Response

a.

Equation

b.

25°

c.

55°

d.

Equation

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 Equation = 0.008, then Equation will be ________

Choices

Choice (4) Response

a.

0.125

b.

1

c.

0.0625

d.

0.20

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