IMO- Mathematics Olympiad Class 8: Questions 256 - 263 of 1029

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Question number: 256

» Comparing Quantities

MCQ▾

Question

When the price of a product was decreased by 20%, the number sold increased by 60%, what was the increase on the total revenue?

Choices

Choice (4) Response

a.

28%

b.

25%

c.

20%

d.

26%

Question number: 257

» Quadrilaterals and Practical Geometry

MCQ▾

Question

Area of a kite is________.

Choices

Choice (4) Response

a.

PQ2

b.

PQ2

c.

P+Q2

d.

P/Q2

Question number: 258

» Comparing Quantities

MCQ▾

Question

x% of 350 + 35 % of 32 = 34, then the value of x is________.

Choices

Choice (4) Response

a.

6.51

b.

5.45

c.

5.00

d.

6.00

Question number: 259

» Quadrilaterals and Practical Geometry

MCQ▾

Question

If ABCD is an isosceles trapezium, A is equal to________.

Choices

Choice (4) Response

a.

90°

b.

C

c.

B

d.

D

Question number: 260

» Quadrilaterals and Practical Geometry

MCQ▾

Question

PQRS is a quadrilateral. If PR and QS bisect each other, then PQRS must be________.

Choices

Choice (4) Response

a.

Rhombus

b.

Parallelogram

c.

Square

d.

Rectangle

Question number: 261

» Comparing Quantities

MCQ▾

Question

In what time will Rs. 100 amount to Rs. 121 at 10 % p. a. , if the interest is compounded annually?

Choices

Choice (4) Response

a.

5

b.

4

c.

2

d.

3

Question number: 262

» Comparing Quantities

MCQ▾

Question

There is 50 % increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 10, 000 after 2 years at the same rate?

Choices

Choice (4) Response

a.

20000 Rs.

b.

3200 Rs.

c.

2100 Rs.

d.

3100 Rs.

Question number: 263

» Comparing Quantities

MCQ▾

Question

If a number x is 20 % less than another number y and y is 20 % more than 125, then x is equal to________.

Choices

Choice (4) Response

a.

120

b.

125

c.

140

d.

150

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