Basic Mathematics-Arithmetic (KVPY Stream-SA (Class 11) Math): Questions 44 - 49 of 77

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Question number: 44

» Basic Mathematics » Arithmetic » Solving Expressions

MCQ▾

Question

For 5x+8<2x7 , maximum possible value of x (xϵZ) is –

Choices

Choice (4) Response
a.

-3

b.

-8

c.

-5

d.

-4

Question number: 45

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

Which of the following set of numbers necessarily contains a multiple of 11? (n>1,n11kandn,kareinteger)

Choices

Choice (4) Response
a.

n50+2

b.

n501

c.

n50

d.

n50+1

Question number: 46

» Basic Mathematics » Arithmetic » Rates

MCQ▾

Question

A plumber can be paid under two schemes as given below:

(i): Rs. 800 and Rs. 30 per hour

(ii): Rs. 190 per hour.

If the job takes n hours, for what values of n does the scheme (i) give the plumber the better wages?

Choices

Choice (4) Response
a.

4

b.

6

c.

8

d.

9

Question number: 47

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

The largest non-negative integer K such that 18k divides 16! is

Choices

Choice (4) Response
a.

5

b.

3

c.

2

d.

4

Question number: 48

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

The least positive integer n from which n3n13<115 is –

Choices

Choice (4) Response
a.

10

b.

11

c.

12

d.

13

Question number: 49

» Basic Mathematics » Arithmetic » Rates

MCQ▾

Question

Given area three cylindrical buckets A, B, C whose circular bases are of radii 4, 6, 8 units, respectively. Initially water is filled in these buckets up to the same height. Some water is then transferred from C to A so that they both have the same volume of water. Some water is then transferred between A and B so that they both have the same volume of water. If hB , hC denote the heights of water at this stage in the buckets B, C respectively, then the ratio hBhC equals –

Choices

Choice (4) Response
a.

8140

b.

40

c.

65

d.

7645

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