NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 421 - 426 of 2028

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Question number: 421

» Mathematics » Data Handling

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MCQ▾

Question

The table shows the distribution of marks in English test. Grade C is given to marks ranging from 21 to 30. Calculate the percentage of pupils who obtained a grade C.

Table of number of pupils and obtained marks in English

Showing the table of number of pupils and obtained marks in English

Marks

Frequency

21 - 25

4

26 - 30

6

31 - 35

15

36 - 40

5

41 - 45

12

46 - 50

8

Choices

Choice (4) Response

a.

15%

b.

10%

c.

35%

d.

20%

Question number: 422

» Mathematics » Mensuration

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Question

The area of a sector of a circle of radius 6 cm cut off by an arc which is 6.3 cm long is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 423

» Mathematics » Playing with Numbers

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Question

A number is always divisible by 48 if:

Choices

Choice (4) Response

a.

It is divisible by both 4 and 12

b.

It is divisible by both 6 and 8

c.

It is divisible by both 2 and 24

d.

All a. , b. and c. are correct

Question number: 424

» Mathematics » Exponents and Powers

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Question

The value of is:

Choices

Choice (4) Response

a.

17

b.

19

c.

d.

Question number: 425

» Mathematics » Comparing Quantities

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Question

A man bought 485 kg of sugar for Rs. 5820 and sold it so as to gain 10%. The selling price per kilogram of sugar is:

Choices

Choice (4) Response

a.

Rs. 12.3

b.

Rs. 15.8

c.

Rs. 10

d.

Rs. 13.2

Question number: 426

» Mathematics » Mensuration

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MCQ▾

Question

The perimeter of a trapezium is 34 cm and its non-parallel sides are each equal to 3 cm and its altitude is 12 cm. Its area is:

Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: