Mental Ability (NCO- Cyber Olympiad (SOF) Class 9): Questions 210 - 215 of 219

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Question number: 210

» 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

  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: 211

» 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.

b.

c.

d.

Question number: 212

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

Simplify:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 213

» Mental Ability » Basic Algebra

MCQ▾

Question

If , find the value of

Choices

Choice (4) Response

a.

324

b.

323

c.

322

d.

325

Question number: 214

» 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: 215

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

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