# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 668 - 674 of 1059

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## Question 668

### Question

MCQ▾

How many envelopes can be made out of a sheet of paper 324 cm by 172 cm, if each envelope requires a piece of paper of size 18 cm by 12 cm?

### Choices

Choice (4)Response

a.

582

b.

258

c.

285

d.

528

## Question 669

### Question

MCQ▾

A perpendicular is drawn to a line segment at N using protractor and point P is marked on perpendicular, then

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 670

### Question

MCQ▾

Which square must be shaded so that the figure has a line of symmetry?

### Choices

Choice (4)Response

a.

P

b.

Q

c.

S

d.

R

## Question 671

MCQ▾

Simplify: .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 672

### Question

MCQ▾

What number should be added to each of the numbers 22,46, 34 and 70 so that the remainders may be proportional?

### Choices

Choice (4)Response

a.

3

b.

1

c.

2

d.

6

## Question 673

### Question

MCQ▾

In the given figure magnitude of angles shown are

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 674

### Question

MCQ▾

Find the area and perimeter of a rectangular plot of land whose length and breadth are 15.4 m and 6.5 m respectively.

### Choices

Choice (4)Response

a.

100.10 sq. m, 43.8 m

b.

1001.10 sq. m, 4.38 m

c.

43.8 m, 100.10 sq. m

d.

4.38 m, 100.10 sq. m