# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 381 - 388 of 1022

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## Question 381

Edit

MCQ▾

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 382

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### Question

MCQ▾

When a number is reduced by 4, it becomes 80 % of itself. Find the number.

### Choices

Choice (4)Response
a.20
b.50
c.40
d.30

## Question 383

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### Question

MCQ▾

A man purchased a bag of tea containing 30 kg for Rs. 345. He sold it at the rate of Rs. 13.75 per kg. Then the profit or loss in % is ________.

### Choices

Choice (4)Response
a.19.57 % loss
b.21.13 % gain
c.19.57 % gain
d.21.13 % loss

## Question 384

Edit

MCQ▾

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 385

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### Question

MCQ▾

By what number should be divided so that the quotient is ?

### Choices

Choice (4)Response
a.3
b.
c.
d.2

## Question 386

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### Question

MCQ▾

If , then will be ________.

### Choices

Choice (4)Response
a.0.125
b.0.0625
c.0.25
d.1

## Question 387

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### Question

MCQ▾

An object is dropped from a small plane flying at a height of 800 cm above the ground. As the object falls, d, its distance above the ground after t seconds is given by the formula below

How far above the ground is the object, when it has fallen for 3 seconds?

### Choices

Choice (4)Response
a.345 cm
b.656 cm
c.575 cm
d.455 cm

## Question 388

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### Question

MCQ▾

By what number should be divided so that the quotient is ?

### Choices

Choice (4)Response
a.
b.10
c.
d.6