# NSO Level 1- Science Olympiad (SOF) Class 8: Questions 25 - 32 of 1175

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## Question 25

### Question

MCQ▾

A mixture of 36 litres contains wine and water in the proportion , How much wine must be added to it so that the ratio of wine to water may be ?

### Choices

Choice (4)Response

a.

16

b.

8

c.

10

d.

12

## Question 26

### Question

MCQ▾

The HCF of and is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 27

### Question

MCQ▾

Find the smallest number of five digits exactly divisible by 4,20, 22 and 25.

### Choices

Choice (4)Response

a.

11000

b.

12450

c.

10800

d.

10000

## Question 28

### Question

MCQ▾

M՚s money is to R՚s money as 6: 5 and R՚s money is to Y՚s money as 5: 3. If M has ₹ 300, Y has________

### Choices

Choice (4)Response

a.

₹ 150

b.

₹ 145

c.

₹ 175

d.

₹ 170

## Question 29

### Question

MCQ▾

Start with the number y. double it and then subtract 8. If the result is , the value of y is ________?

### Choices

Choice (4)Response

a.

11

b.

7

c.

15

d.

12

## Question 30

### Question

MCQ▾

Four different electronic devices make a beep after every 20 minutes, 40 minutes, 1 hour, and 1 hour 30 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at

### Choices

Choice (4)Response

a.

12 midnights

b.

3 am

c.

6 pm

d.

5 am

## Question 31

### Question

MCQ▾

The HCF of and is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 32

### Question

MCQ▾

The given figure shows a typical animal cell. What is the function of the part labelled ‘X’ ?

### Choices

Choice (4)Response

a.

Digest cellular wastes

b.

Sites for protein synthesis

c.

Cellular respiration and producers of energy

d.

Storing and packaging of cellular products

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