# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 311 - 316 of 1040

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## Question number: 311

Edit
MCQ▾

### Question

ABCD is a rhombus in which the altitude from D to side AB bisects AB. Then and ,

Respectively are________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 312

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MCQ▾

### Question

A man sells a mare of Rs. 1016 making a profit of . The cost of the mare is________.

### Choices

Choice (4) Response

a.

900 Rs.

b.

10 Rs.

c.

1000 Rs.

d.

100 Rs.

## Question number: 313

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MCQ▾

### Question

If a merchant estimates his profit as 20 % of the selling price, what is the profit percent?

### Choices

Choice (4) Response

a.

25%

b.

30.33%

c.

20%

d.

33.33%

## Question number: 314

Edit
MCQ▾

### Question

A grocer purchased 50 kg. Of sugar at Rs. 12.50 per kg and mixed it with 120 kg sugar at Rs. 30 per kg. At what rate should he sell the mixture (per kg) to gain 10%?

### Choices

Choice (4) Response

a.

27.33 Rs.

b.

20 Rs.

c.

30 Rs.

d.

20.5 Rs.

## Question number: 315

Edit
MCQ▾

### Question

Four angles of a quadrilateral are in the ratio 3: 6: 9: 12. The smallest angle is________.

### Choices

Choice (4) Response

a.

20

b.

10

c.

36

d.

50

## Question number: 316

Edit
Match List-Ⅰ List-Ⅱ▾

### Question

Match the following.

List-Ⅰ (List Of Geomertic Shapes) List-Ⅱ (Characteristic Of Shapes)

(A)

Trapezoid

(i)

Diagonals are perpendicular

(B)

Rhombus

(ii)

Diagonals bisect each other

(C)

Parallelogram

(iii)

Diagonals are congruent

### Choices

Choice (4) Response
• (A)
• (B)
• (C)

a.

• (ii)
• (iii)
• (i)

b.

• (iii)
• (i)
• (ii)

c.

• (ii)
• (i)
• (iii)

d.

All of the above