# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 888 - 893 of 968

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## Question number: 888

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MCQ▾

### Question

The top of two poles of height and are connected by a wire. If the wire makes an angle of with horizontal, then the length of the wire is________

### Choices

Choice (4)Response

a.

10m

b.

12m

c.

11m

d.

13m

## Question number: 889

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MCQ▾

### Question

The angles of depression of two ships from the top of a lighthouse are towards east. If the ship are 150m apart, the height of the lighthouse is________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 890

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MCQ▾

If

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 891

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MCQ▾

### Question

Three men, four women and six children can complete a work in seven days. A women does double the work a man does and a child does half the work a man does. How many women alone can complete the work in 7 days?

### Choices

Choice (4)Response

a.

7

b.

8

c.

12

d.

14

## Question number: 892

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MCQ▾

### Question

Kruti took a loan at simple interest at in the first year with increases of in each subsequent year. She paid as interest after 4 years. How much loan did she take?

### Choices

Choice (4)Response

a.

Rs. 12500

b.

Rs. 15800

c.

Rs. 30000

d.

Rs. 33250

## Question number: 893

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MCQ▾

### Question

The sum of n terms of the three arithmetic progressions are . The first term of each is unity and the common differences are 1,2 and 3 respectively, then________.

### Choices

Choice (4)Response

a.

b.

c.

d.

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