# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 960 - 966 of 968

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## Question number: 960

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MCQ▾

### Question

If the zero of the quadratic polynomial is 5, then the value of k is ________

### Choices

Choice (4) Response

a.

-35

b.

-18

c.

64

d.

-38

## Question number: 961

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MCQ▾

### Question

If in a certain language NOTEBOOK is coded as 13624338 and WRITE is coded as 57962, then the ROBOT code is ________

### Choices

Choice (4) Response

a.

73436

b.

74336

c.

73463

d.

74363

## Question number: 962

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MCQ▾

### Question

If 1 man or 2 women or 3 boys can do a piece of work in 99 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ________

### Choices

Choice (4) Response

a.

81 days

b.

94 days

c.

39 days

d.

52 days

## Question number: 963

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MCQ▾

### Question

If the equation has equal roots, and then the both roots are equal to ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 964

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MCQ▾

### Question

Four vertices of a parallelogram taken in order are (10,20), (x, y), (8,10) and (3,6). What will be the ratio of x and y?

### Choices

Choice (4) Response

a.

23,25

b.

22,26

c.

15,24

d.

22,23

## Question number: 965

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MCQ▾

### Question

Rationalizing factor of is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 966

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MCQ▾

### Question

The mean of 18 observations is 40. By error, one observation was noted as 25 was misread as 52. Then the correct mean is ________

### Choices

Choice (4) Response

a.

38.5

b.

29.6

c.

16.7

d.

40.5