IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 299 - 305 of 968

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Question 299

Question

MCQ▾

One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 16 and 4. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are

Choices

Choice (4)Response

a.

b.

c.

d.

Question 300

Question

MCQ▾

If the equation has equal roots, and then the both roots are equal to ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 301

Question

MCQ▾

In the equation , the roots are equal when ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 302

Question

MCQ▾

The roots of the equation can be found by solving ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 303

Question

MCQ▾

The roots of the equation can be found by solving ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 304

Question

MCQ▾

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

Choices

Choice (4)Response

a.

-120

b.

106

c.

135

d.

-162

Question 305

Question

MCQ▾

One of the two students, while solving a quadratic equation in x, copied the constant term incorrectly and got the roots 3 and 2. The other copied the constant term and coefficient of correctly as and respectively. The correct roots are

Choices

Choice (4)Response

a.

-3,2

b.

c.

d.