IMO- Mathematics Olympiad (SOF) Class 7: Questions 433 - 442 of 1012

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Question number: 433

» Exponents and Powers

MCQ▾

Question

If , then x is ________.

Choices

Choice (4) Response

a.

12

b.

- 12

c.

24

d.

13

Question number: 434

» Exponents and Powers

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 435

» Exponents and Powers

MCQ▾

Question

By what number should we multiply so that the product may be equal to 27?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 436

» Exponents and Powers

MCQ▾

Question

If , then the value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 437

» Comparing Quantities

MCQ▾

Question

A contractor employed 90 men to build an office in 30 days. After 10 days, he was joined by 10 more men. In how many days will the remaining work be finished?

Choices

Choice (4) Response

a.

25 days

b.

18 days

c.

21 days

d.

16 days

Question number: 438

» Exponents and Powers

MCQ▾

Question

The number which is multiplied by to obtain a product equal to is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 439

» Algebraic Expressions

MCQ▾

Question

The product of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 440

» Exponents and Powers

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

4

b.

2

c.

32

d.

16

Question number: 441

» Exponents and Powers

MCQ▾

Question

If then n =?

Choices

Choice (4) Response

a.

8

b.

4

c.

2

d.

6

Question number: 442

» Comparing Quantities

MCQ▾

Question

Salary of an employee increases every year by 15%. His salary in the year 2010 was Rs. 18000. What was his salary in 2008?

Choices

Choice (4) Response

a.

Rs. 13,610

b.

Rs. 13,500

c.

Rs. 14,225

d.

Rs. 11,500

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