NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 143 - 149 of 1732

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Question number: 143

» Mathematics » Simple Equations

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Question

The ratio of number of men to women in a company is 1: 45. If 75 more women join, the ratio becomes 1: 50. The number of men in the company is

Choices

Choice (4)Response

a.

20

b.

25

c.

15

d.

35

Question number: 144

» Mathematics » Fractions and Decimals

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Question

Example for a proper fraction is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 145

» Mathematics » Simple Equations

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Question

A person travelled of the distance by train, by bus and the remaining 30 km by boat. The total distance travelled by him was

Choices

Choice (4)Response

a.

155 km

b.

225 km

c.

105 km

d.

285 km

Question number: 146

» Mathematics » Comparing Quantities

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Question

In the word ELECTRICITY the ratio of number of consonants to the number of vowels is

Choices

Choice (4)Response

a.

7: 4

b.

4: 7

c.

9: 2

d.

2: 9

Question number: 147

» Mathematics » Simple Equations

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Question

In a two digit number, unit’s digit is 3 more than the ten’s digit. The number formed by interchanging the digits and the original number are in the ratio 7: 4. Find the number.

Choices

Choice (4)Response

a.

63

b.

45

c.

54

d.

36

Question number: 148

» Mathematics » Simple Equations

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Question

The ratio between two numbers is 6: 5. If each number is increased by 15, the ratio becomes 5: 3. Find the numbers.

Choices

Choice (4)Response

a.

40,50

b.

,

c.

50,30

d.

,

Question number: 149

» Mathematics » Fractions and Decimals

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Question

Six nineteenths is equals to

Choices

Choice (4)Response

a.

b.

c.

6.19

d.

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