KVPY Stream-SA (Class 11) Math: Questions 177 - 182 of 265

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Question number: 177

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

MCQ▾

Question

Let α be a root of the equation Equation . The value of Equation is equal to-

Choices

Choice (4) Response

a.

–126

b.

-240

c.

48

d.

– 48

Question number: 178

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

The number of distinct primes dividing Equation is –

Choices

Choice (4) Response

a.

7

b.

6

c.

8

d.

9

Question number: 179

» Basic Mathematics » Arithmetic » Solving Expressions

MCQ▾

Question

If x, y are real number such that Equation , then the value of Equation is –

Choices

Choice (4) Response

a.

2

b.

1

c.

0

d.

3

Question number: 180

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

Let n > 1 be an integer. Which of the following sets of numbers necessarily contains a multiple of 5?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 181

» Trigonometry » Heights and Distances

MCQ▾

Question

The angle of elevation of the top of a building from the foot of tower is 300 and the angle of elevation of the top of the tower from the foot of the building is 600. If the tower is 45m high, then the height of the building is –

Choices

Choice (4) Response

a.

15

b.

12

c.

20

d.

10

Question number: 182

» Basic Mathematics » Arithmetic » Rates

MCQ▾

Question

Mahesh and Joseph are working on an assignment. Mahesh takes 8 hours to type 28 pages on a computer, while Joseph takes 4 hours to type 32 pages. How much time will they take, working together on two different computers to type an assignment 69 pages?

Choices

Choice (4) Response

a.

9 hr

b.

9 hr 25 min

c.

8 hr 30 min

d.

10 hr 15 min

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