Mental Ability-Basic Algebra (NCO- Cyber Olympiad Class 9): Questions 92 - 97 of 101

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Question number: 92

» Mental Ability » Basic Algebra

MCQ▾

Question

Can you guess this number.

  1. The number is not an odd number
  2. It has exactly four factors

  3. If you reverse the digits, a prime number is formed

  4. The sum of the digits is a two digit prime number

  5. The number is less than the square root of Equation

  6. One of the digits is a square number

What number are we thinking of?

Choices

Choice (4) Response

a.

44

b.

73

c.

74

d.

75

Question number: 93

» Mental Ability » Basic Algebra

MCQ▾

Question

An influenza virus is 65, 000, 000 meter in diameter. Which of these expresses this distance in scientific notation?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 94

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

Simplify: Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 95

» Mental Ability » Basic Algebra

MCQ▾

Question

If Equation , find the value of Equation

Choices

Choice (4) Response

a.

324

b.

323

c.

322

d.

325

Question number: 96

» Mental Ability » Basic Algebra

MCQ▾

Question

Jigna has a broken fan belt on her car. The belt goes around 2 pulleys, whose centers are 16 cm apart and each pulley is 3 cm in radius. How long should the belt be?

Choices

Choice (4) Response

a.

45.45 cm

b.

69.86 cm

c.

50.84 cm

d.

65.87 cm

Question number: 97

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

What is the order of these numbers from least to greatest?

Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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