KVPY Stream-SA (Class 11) Math: Questions 213 - 219 of 251

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Question number: 213

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

Question

A bag contains 50 p, 25 p and 10 p coins in the ratio N50:N25:N10=4:9:5 , amounting to Rs. 95. Find the numbers of coins of each type,

Choices

Choice (4) Response
a.

N50=85,N25=150,N10=150

b.

N50=95,N25=120,N10=230

c.

N50=90,N25=140,N10=120

d.

N50=80,N25=180,N10=100

Question number: 214

» Sequence and Series » Arithmetic Series

MCQ▾

Question

The value of,

n=0185912n+21859

Is equal to?

Choices

Choice (4) Response
a.

185821857

b.

46521857

c.

185921857

d.

46521949

Question number: 215

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

The square of [8(3.75)3+17.526.5] is –

Choices

Choice (4) Response
a.

56.25

b.

7.5

c.

8.5

d.

72.25

Question number: 216

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

Value of 10+25+108+154+225 is –

Choices

Choice (4) Response
a.

16

b.

4

c.

9

d.

25

Question number: 217

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

MCQ▾

Question

If α, β are the roots of x25x+5=0 , than value of 1α+1β is –

Choices

Choice (4) Response
a.

52

b.

32

c.

1

d.

25

Question number: 218

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

MCQ▾

Question

If ax2+bx+c=0 and bx2+cx+a=0 have one common root and a0, then value of a3+b3+c3abc is –

Choices

Choice (4) Response
a.

2

b.

3

c.

1

d. All of the above

Question number: 219

» Sequence and Series » Relation Between AM and GM

MCQ▾

Question

Let a, b, c be three non-negative integers such that a+b+c=27 . The maximum possible value of abc+ab+bc+ac is,

Choices

Choice (4) Response
a.

955

b.

965

c.

975

d.

985

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