# IMO- Mathematics Olympiad Class 8: Questions 191 - 198 of 1029

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## Question number: 191

MCQ▾

### Question

In the five digit number 13ab4, a is the greatest single digit perfect cube and a is greater four times of b. then find the sum of the number and its cube root is________.

### Choices

Choice (4) Response

a.

13824

b.

13825

c.

13820

d.

13848

## Question number: 192

MCQ▾

### Question

Find the value of.

### Choices

Choice (4) Response

a.

30

b.

50

c.

31

d.

70

## Question number: 193

MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 194

MCQ▾

### Question

Two cubes have volume in the ratio 1: 125. The ratio of the area of the face of one to that of the other is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 195

MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

14

b.

10

c.

15

d.

12

## Question number: 196

MCQ▾

### Question

If, then the value of is________.

### Choices

Choice (4) Response

a.

b.

30.20

c.

24.70

d.

25.00

## Question number: 197

MCQ▾

### Question

The smallest number by which 121 must be multiplied so that the product is a perfect cube is________.

### Choices

Choice (4) Response

a.

11

b.

8

c.

9

d.

10

## Question number: 198

MCQ▾

### Question

The smallest number by which 361 must be multiplied so that the product is a perfect cube is________.

### Choices

Choice (4) Response

a.

15

b.

10

c.

19

d.

11

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