# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 143 - 149 of 1128

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## Question 143

Mathematics
Edit

### Question

MCQ▾

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 144

Edit

### Question

MCQ▾

Example for a proper fraction is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 145

Mathematics
Edit

### Question

MCQ▾

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 146

Edit

### Question

MCQ▾

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 147

Mathematics
Edit

### Question

MCQ▾

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 148

Mathematics
Edit

### Question

MCQ▾

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 149

Edit

### Question

MCQ▾

Six nineteenths is equals to

### Choices

Choice (4)Response

a.

b.

c.

6.19

d.