# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 417 - 426 of 1022

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## Question 417

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### Question

MCQ▾

The CP of 20 pens is equal to the SP of 18 pens. The gain % is ________.

### Choices

Choice (4)Response
a.11.11%
b.15.11%
c.13.24%
d.12%

## Question 418

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### Question

MCQ▾

is equal to ________.

### Choices

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

## Question 419

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### Question

MCQ▾

If , then the value of is ________.

### Choices

Choice (4)Response
a.Cannot be determined
b.1
c.0
d.- 1

## Question 420

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### Question

MCQ▾

If , then the value of is ________.

### Choices

Choice (4)Response
a.-1
b.0
c.Cannot be determined
d.1

## Question 421

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### Question

MCQ▾

In an election between two candidates, the candidate who gets 30 % of the votes polled is defeated by 15,000 votes. What is the number of votes polled by the winning candidates?

### Choices

Choice (4)Response
a.26,250
b.11,250
c.30,000
d.37,500

## Question 422

Edit

### Question

MCQ▾

If , then the incorrect expression from the following is ________.

### Choices

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

## Question 423

Edit

### Question

MCQ▾

The value of is ________.

### Choices

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

## Question 424

Edit

### Question

MCQ▾

is equal to ________.

### Choices

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

## Question 425

Edit

### Question

MCQ▾

By what number should we multiply so that the product may be equal to 64?

### Choices

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

## Question 426

Edit

### Question

MCQ▾

Two numbers are 20 % and 25 % less than a third number respectively. How much % is the second number less than the first?

### Choices

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