Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 9): Questions 9 - 15 of 49

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Question number: 9

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The ratio of the ages of Mayuri and Mayur is 4: 3. The sum of their ages is 28 years. The ratio of their ages after 8 years will be:

Choices

Choice (4) Response

a.

6: 5

b.

12: 17

c.

4: 7

d.

7: 4

Question number: 10

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In a family, the father took of the cake and he had 3 times as much as each of the other members had. The total number of family member is ________

Choices

Choice (4) Response

a.

3

b.

10

c.

7

d.

12

Question number: 11

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Only if

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 12

» Mental Ability » Basic Arithmetic

MCQ▾

Question

When simplified is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 13

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A car travels 120 km from A to B at 30 km per hour but returns the same distance at 40 km per hour. The average speed for the round trip is closest to

Choices

Choice (4) Response

a.

36km/hr

b.

33 km/hr

c.

35km/hr

d.

34km/hr

Question number: 14

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A truck travels 540 km from Surat to Ahmedabad at 54 km per hour but returns the same distance at 36 km per hour. The average speed for the round trip is closest to

Choices

Choice (4) Response

a.

35km/hr

b.

34km/hr

c.

44km/hr

d.

43 km/hr

Question number: 15

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Ramila got married 7 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is________

Choices

Choice (4) Response

a.

2.8 years

b.

5 years

c.

4.1 years

d.

3.3 years

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