KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math: Questions 196 - 202 of 265

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Question number: 196

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If and , then

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 197

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

If where α, β are the roots of the equation then the value of c is –

Choices

Choice (4) Response

a.

3

b.

2

c.

0

d.

4

Question number: 198

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

If, than value of x is –

Choices

Choice (4) Response

a.

2

b.

3

c.

d.

Question number: 199

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

The least positive integer n from which is –

Choices

Choice (4) Response

a.

15

b.

16

c.

17

d.

18

Question number: 200

» Sequence and Series » Arithmetic Series

MCQ▾

Question

If n is the largest natural number such that n + 2n + 3n + … + 70n is a perfect square, then the value of n is –

Choices

Choice (4) Response

a.

497

b.

490

c.

520

d.

637

Question number: 201

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

MCQ▾

Question

A ladder 8 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 3 cm away from the wall?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 202

» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots

MCQ▾

Question

If α, β are the roots of then that equation whose roots are is –

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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