KVPY Stream-SA (Class 11) Math: Questions 165 - 169 of 251

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Question number: 165

» Basic Mathematics » Geometry » Advanced Therorems and Properties

MCQ▾

Question

In the figure given below, ABCD is square. E, F, G, H, I, J, K and L are the trisections points of the sides as shown. If the side of the square ABCD is 12 cm, then the area of the regular octagon EFGHIJKL is –

 A regular octagon EFGHIJKL

a Regular Octagon EFGHIJKL

In figure ABCD is square. E, F, G, H, I, J, K and L are the trisections points of the sides and make a rectangular octagon.

Choices

Choice (4) Response
a.

64 cm2

b. 144 cm2
c.

32 cm2

d.

112 cm2

Question number: 166

» Basic Mathematics » Geometry » Triangle and Properties

MCQ▾

Question

The angle bisectors BM and CN of a triangle ABC are divided by the in centre I in the ratios 5: 3 and 3: 1 respectively. Then triangle is –

Choices

Choice (4) Response
a.

Isosceles

b.

Equilateral

c.

Scalene

d. All of the above

Question number: 167

» 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: 168

» Basic Mathematics » Algebra » Solving Equations

MCQ▾

Question

If the system of equations: 3x+y=1 , (2k+1)x+(k1)y=(2k+1) has no solution, then the value of k is –

Choices

Choice (4) Response
a.

2

b.

3

c.

4

d.

1

Question number: 169

» 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

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