Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 65 - 71 of 122

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Question number: 65

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following can be the exact multiple of 2?

Choices

Choice (4) Response

a.

27

b.

15

c.

63

d.

12

Question number: 66

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The cost of cultivating a square field at the rate of rupees 250 per hectare is rupees 3650. What is the cost of putting a fence around it at 25 paise per meter?

Choices

Choice (4) Response

a.

425.6 rupees

b.

200 rupees

c.

382.09 rupees

d.

320 rupees

Question number: 67

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Human blood RBC’s are expressed in terms of number of red blood cells per cubic mm. Express 8.8 million blood cells per cubic mm terms of scientific notation.

Choices

Choice (4) Response

a.

8.8 Equation

b.

88 Equation

c.

0.88 Equation

d.

0.88 Equation

Question number: 68

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which of the following can be the exact multiple of 3?

Choices

Choice (4) Response

a.

28

b.

17

c.

63

d.

13

Question number: 69

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Find the value of Equation from the equation Equation

Choices

Choice (4) Response

a.

15.5

b.

12

c.

13.3

d.

14

Question number: 70

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A shopkeeper declares a sale of computer books, giving 25 % discount. If the net sale price of a book is rupees 714, what is its market price?

Choices

Choice (4) Response

a.

500 Rs

b.

550 Rs

c.

952 Rs

d.

1008 Rs

Question number: 71

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The present ages of three persons in proportions 3: 6: 9. Eight years ago, the sum of their ages was 66. Find their present ages (in years).

Choices

Choice (4) Response

a.

16, 28, 26

b.

8, 20, 28

c.

15, 30, 45

d.

None of the above

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