IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 269 - 276 of 968

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Question 269

Question

MCQ▾

Two numbers whose sum is 10 and absolute value of whose difference is 4 are the roots of the equation ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 270

Question

MCQ▾

For what value of ‘P’ the roots of P are equal

Choices

Choice (4)Response

a.

b.

6,4

c.

4, -1

d.

3, -8

Question 271

Question

MCQ▾

A convex polygon has 20 diagonals. The number of its sides is ________

Choices

Choice (4)Response

a.

8

b.

12

c.

9

d.

7

Question 272

Question

MCQ▾

Which of the statements given below is correct. If discriminant for equation is D________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 273

Question

MCQ▾

The roots of are real and unreal, if is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 274

Question

MCQ▾

A man walks a distance of 50 km in a given time. If he walks 5 km/hr faster, he will perform the journey 5 hrs before. His normal rate of walking, is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 275

Question

MCQ▾

Two numbers whose sum is 6 and absolute value of whose difference is 8 are the roots of the equation ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 276

Question

MCQ▾

The expression is divisible by . Then m is a divisor of ________

Choices

Choice (4)Response

a.

20

b.

12

c.

16

d.

4