IMO- Mathematics Olympiad Class 8: Questions 364 - 370 of 1029

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Question number: 364

» Comparing Quantities

MCQ▾

Question

If 5 % more is gained by selling an article for Rs. 320 than by selling it for Rs. 300 then the cost of the article is ________.

Choices

Choice (4) Response
a.

600 Rs.

b.

400 Rs.

c.

300 Rs.

d.

800 Rs.

Question number: 365

» Comparing Quantities

MCQ▾

Question

Simple interest on a certain amount is 14 of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is________

Choices

Choice (4) Response
a.

5 years

b.

6.66 years

c.

6 years

d.

9 years

Question number: 366

» Quadrilaterals and Practical Geometry

MCQ▾

Question

PQRS is a rhombus in which the altitude from Q to side PS bisects PS. Then R is________.

Choices

Choice (4) Response
a.

90°

b.

60°

c.

30°

d.

120°

Question number: 367

» Comparing Quantities

MCQ▾

Question

In what time will Rs. 125 amount to Rs. 216 at 20 % p. a. , if the interest is compounded annually?

Choices

Choice (4) Response
a.

2

b.

5

c.

3

d.

4

Question number: 368

» Quadrilaterals and Practical Geometry

MCQ▾

Question

ABCD is rhombus, If ABC=50° , then ADB is________.

Choices

Choice (4) Response
a.

50 °

b.

120 °

c.

30 °

d.

40 °

Question number: 369

» Quadrilaterals and Practical Geometry

MCQ▾

Question

Sum of the interior angle of quadrilateral is________.

Choices

Choice (4) Response
a.

450 °

b.

120 °

c.

180 °

d.

360 °

Question number: 370

» Comparing Quantities

MCQ▾

Question

If a merchant estimates his profit as 25 % of the selling price, what is the profit percent?

Choices

Choice (4) Response
a.

30.33%

b.

30%

c.

35%

d.

33.33%

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