IMO- Mathematics Olympiad Class 9: Questions 705 - 711 of 919

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Question number: 705

» Polynomials

MCQ▾

Question

Find the value of a if (xa) is a factor of the polynomial x6ax5+x4ax3+3xa+2

Choices

Choice (4) Response

a.

a=1

b.

a=2

c.

a=1

d.

a=2

Question number: 706

» Introduction to Euclid's Geometry

MCQ▾

Question

Train left 30 minutes later than the scheduled time and inorder to reach the destination, 1500 km away in time. It has to increase the speed by 250km/h from the usual seed. Find the usual speed?

Choices

Choice (4) Response

a.

850

b.

650

c.

950

d.

750

Question number: 707

» Statistics and Probability

MCQ▾

Question

The difference between the maximum and the minimum observation in the data is called ________

Choices

Choice (4) Response

a.

Frequency

b.

Class interval

c.

Range

d.

Cumulative frequency

Question number: 708

» Statistics and Probability

MCQ▾

Question

A card is drawn from a well-shuffled pack of 52 cards. The probability that the card drawn neither a club nor a spade is ________

Choices

Choice (4) Response

a.

13

b.

2

c.

3

d.

12

Question number: 709

» Polynomials

MCQ▾

Question

20a245=

Choices

Choice (4) Response

a.

3(2a+5)(2a5)

b.

5(32a)(3+2a)

c.

5(2a+3)(2a3)

d.

3(5+2a)(52a)

Question number: 710

» Everyday Mathematics

MCQ▾

Question

Subhash purchased a tape recorder at (910)th of its selling price and sold it at 8% more than its S. P his gain is ________

Choices

Choice (4) Response

a.

10%

b.

20%

c.

18%

d.

8%

Question number: 711

» Linear Equations in Two Variables

MCQ▾

Question

What is the y-intercept of a line with the equation y=5x4

Choices

Choice (4) Response

a.

(5,4)

b.

(0,4)

c.

(4,0)

d.

(45,0)

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