Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 79 - 84 of 268

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Question number: 79

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Equation

Choices

Choice (4) Response

a.

1

b.

cannot be determined

c.

0

d.

-1

Question number: 80

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If the selling price of 5 books is same as the cost price of 6 books then gain percent is……….

Choices

Choice (4) Response

a.

19%

b.

20%

c.

15%

d.

5%

Question number: 81

» Mental Ability » Basic Arithmetic

MCQ▾

Question

Which set of data given below not show a constant rate of change?

Choices

Choice (4) Response

a.

Authors and number of books

Number of books written by each author

Authors and number of books

Number of books written by each author

Authors

No. of Books

1

2

3

6

12

18

b.

Total animals and number of zoos

Total animals found in each zoo

Total Animals

Zoo

25

50

100

1

2

4

c.

Members in every family

Number of members in each family

Family

Members

1 st

3 rd

9 th

4

8

12

d.

Number of subjects studied by each standard

Total number of subjects studied in each class

Subjects

Standard

5

6

7

3

5

7

Question number: 82

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A bike can travels at 55 kmph and another at 45 kmph. Ratio of their speeds is

Choices

Choice (4) Response

a.

10: 3

b.

11: 9

c.

9: 11

d.

3: 10

Question number: 83

» Mental Ability » Basic Arithmetic

MCQ▾

Question

By how much must 15 be decreased so that it bears same ratio to 9 as 20 to 15?

Choices

Choice (4) Response

a.

5

b.

4

c.

3

d.

1

Question number: 84

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A cloth merchant bought 20 sarees at the rate of Rs. 250 per sarees. If he sold them for Rs. 4800, his loss will be

Choices

Choice (4) Response

a.

20 Rs.

b.

200 Rs.

c.

1000 Rs.

d.

2000 Rs.

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