# IMO- Mathematics Olympiad Class 10: Questions 559 - 563 of 958

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## Question number: 559

MCQ▾

### Question

A man whose bowling average is 14.4 takes 3 wickets for 28 runs and thereby decreases his average by 1.2. The number of wickets, taken by him, before his last match, is ________

### Choices

Choice (4) Response

a.

65

b.

55

c.

35

d.

45

## Question number: 560

MCQ▾

### Question

Assume that a mango and its seed, both are spherical. The radius of the seed is of the thickness of the pulp. The seed lies exactly at the center of the fruit. What percent of the total volume of the mango is its pulp?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 561

MCQ▾

### Question

A fair price shopkeeper takes profit on his goods. He loss goods during theft. His lost percent is ________

### Choices

Choice (4) Response

a.

12

b.

15

c.

11

d.

18

## Question number: 562

MCQ▾

### Question

A card is drawn from a pack of 52 cards. The cards is drawn at random. What is the probability that it is neither spade nor a jack?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 563

MCQ▾

### Question

A boy was asked to multiply a given number by. Instead, he divided the given number by and got the result 299 more than what he should have got if he had multiplied the number by. The given number was ________.

### Choices

Choice (4) Response

a.

60

b.

90

c.

80

d.

70

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