IMO- Mathematics Olympiad Class 7: Questions 294 - 300 of 965

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Question number: 294

» Practical Geometry - Lines and Angles

MCQ▾

Question

PQ is parallel RS and RM is parallel to OQ and PTR=48° , Find ONS

Image shows the two parallel lines is given

Image Shows the Two Parallel Lines Is Given

Showing image of PQ is parallel RS and RM is parallel to OQ is given, Find ∠ONS.

Choices

Choice (4) Response
a.

41°

b.

58°

c.

132°

d.

34°

Question number: 295

» Exponents and Powers

MCQ▾

Question

If (75)3×(75)x+2=(75)8 , then x =

Choices

Choice (4) Response
a.

0

b.

3

c.

2

d.

1

Question number: 296

» Comparing Quantities

MCQ▾

Question

By selling a dress for Rs. 545, a man loses 19 of his outlay. If it is sold for Rs. 650, what is the gain percent?

Choices

Choice (4) Response
a.

5%

b.

7%

c.

12%

d.

9%

Question number: 297

» Comparing Quantities

MCQ▾

Question

Salary of a professor increases every year by 10%. His salary in the year 2011 was Rs. 23000. What was his salary in 2009?

Choices

Choice (4) Response
a.

Rs. 19, 008

b.

Rs. 19, 508

c.

Rs. 18, 000

d.

Rs. 20, 210

Question number: 298

» Algebraic Expressions

MCQ▾

Question

The value of 14x2+54y221xy when x=13 and y=7 is ________.

Choices

Choice (4) Response
a.

1043

b.

1303

c.

3101

d.

1503

Question number: 299

» Comparing Quantities

MCQ▾

Question

In an election between two candidates, the candidate who gets 25 % of the votes polled is defeated by 5, 000 votes. What is the number of votes polled by the winning candidates?

Choices

Choice (4) Response
a.

7, 500

b.

3, 000

c.

4, 250

d.

6, 750

Question number: 300

» Algebraic Expressions

MCQ▾

Question

Step 1: 3x32x3y2x3y2+2x35y2+10x3y2

Step 2: (3x3+2x3)+(2x3y2x3y2+10x3y2)5y2

Step 3: (5x3+7x3y25y2)

Are the above given steps showing simplification of algebraic expression

x3(32y2)+x(x2y2+2x2)5y(y2x3y) ?

Choices

Choice (4) Response
a.

No

b.

Yes

c.

Only step 1 and 2 are correct

d.

Only step 1 is correct

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