# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 273 - 277 of 1042

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## Question 273

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### Question

MCQ▾

Given below steps of construct a quadrilateral ABCD where AB = 5.2 cm, BC = 4.0 cm, CD = 4.2 cm, AD = 3.3 cm and which of the following is a wrong step?

(P) Step 1: Draw AB = 5.2cm and construct

(Q) Step 2: With A as center and radius AD = 3.3 cm, cut off AD = 3.3 cm along AX.

(R) Step 3: Join BD. With D as center and radius DC = 4.2 cm, draw an arc.

(S) Step 4: With B as center and radius BC = 4.0 cm, draw an arc to cut the arc drawn in above step at C. Join BC, CD to obtain the required quadrilateral ABCD.

### Choices

Choice (4)Response
a.S
b.P
c.R
d.Q

## Question 274

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### Question

MCQ▾

A bag contains 50p, 25p, 10p coins in the ratio 1: 3: 2, amounting to Rs. 87. Find the total number of coins.

### Choices

Choice (4)Response
a.100
b.360
c.200
d.400

## Question 275

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### Question

MCQ▾

When the price of a product was decreased by 10%, the number sold increased by 40%, what was the increase on the total revenue?

### Choices

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

## Question 276

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### Question

MCQ▾

Four angles of a quadrilateral are in the ratio 2: 4: 6: 8. The greatest angle is________.

### Choices

Choice (4)Response
a.110
b.150
c.144
d.120

## Question 277

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### Question

MCQ▾

A book was sold for Rs. 25.50 with a profit of 10%. If it were sold for Rs. 25.75, then what would have been the percentage of profit or loss?

### Choices

Choice (4)Response
a.Loss, 10%
b.Loss, 12%
c.Profit, 11.04%
d.profit, 11%