KVPY Stream-SA (Class 11) Math: Questions 232 - 236 of 251

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Question number: 232

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

Question

Roots of equation: 113+x=16+17+1x are –

Choices

Choice (4) Response

a.

-7, -6

b.

-5, 3

c.

-7, -4

d.

7, 6

Question number: 233

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

MCQ▾

Question

Let α be a root of the equation x2+2x+3=0 . The value of (α+1)(α+3)(α+5)(α+7) is equal to-

Choices

Choice (4) Response

a.

2(α15)

b.

2(6α5)

c.

4(6α15)

d.

4(α5)

Question number: 234

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

Question

When a bucket is one-thirds full, the weight of the bucket and the water is 15 kg. When the bucket is two-thirds full, the total weight is 18 kg. What is the total weight, in kg, when the bucket is completely full?

Choices

Choice (4) Response

a.

15 kg

b.

17 kg

c.

19 kg

d.

21 kg

Question number: 235

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If cosθ+sinθ=2cosθ, than value of (cosθsinθ) is –

Choices

Choice (4) Response

a.

2

b.

2sinθ

c.

2cosθ

d.

cosθ

Question number: 236

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

Appeared in Year: 2013

MCQ▾

Question

A person P is running around a circular track completing one round every 50 seconds. Another person Q running in the opposite direction meets P every 20 second. The time, expressed in seconds, taken by Q to complete one round is

Choices

Choice (4) Response

a.

203s

b.

403s

c.

40s

d.

20s

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