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 104

  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.

6.5×107

b.

65×108

c.

6.5×108

d.

65×107

Question number: 94

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

Simplify: 34÷214of23(12)(13)(12)+(13)×313+56=?

Choices

Choice (4) Response

a.

23

b.

16

c.

4954

d.

718

Question number: 95

» Mental Ability » Basic Algebra

MCQ▾

Question

If x+1x=3 , find the value of x6+1x6

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?

3.3¯,3.3,10,113

Choices

Choice (4) Response

a.

10<3.3<3.3¯<113

b.

113<3.3<3.3¯<10

c.

3.3<3.3¯<10<113

d.

3.3¯<3.3<10<113

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