KVPY Stream-SA (Class 11) Math: Questions 149 - 153 of 265

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Question number: 149

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

Question

In a cinema hall, the charge per person is Rs. 400. On the first day, only 50 % of the seats were filled. The owner decided to reduce the price by 12 % and there was an increase of 36 % in the number of spectators on the next day. The percentage increase in the revenue on the second day was –

Choices

Choice (4) Response

a.

17.36

b.

19.68

c.

18.17

d.

20.20

Question number: 150

» Sets, Relations and Functions » Functions and Composition

MCQ▾

Question

Let f (x) be a quadratic polynomial with Equation and Equation . Then the coefficient of x in f (x) is,

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

1

Question number: 151

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

Suppose a2, a3, a4, a5, a6 are integers such that

Equation

Where Equation for j = 2, 3, 4, 5, 6. The sum Equation is,

Choices

Choice (4) Response

a.

9

b.

8

c.

10

d.

11

Question number: 152

» Basic Mathematics » Algebra » Solving Equations

MCQ▾

Question

Roots of equation:

Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 153

» Basic Mathematics » Algebra » Solving Equations

MCQ▾

Question

Let a, b, c, d be real numbers such that Equation , Equation and Equation . Then the set of all possible values of Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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