BITSAT Mathematics: Questions 26 - 32 of 164

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Question number: 26

» Sequence and Series » Relation Between AM and GM

MCQ▾

Question

Let a,b,c are in G. P. of common ratio r,0<r<1 . If a,2b,3c from A. P. , then r equals –

Choices

Choice (4) Response
a.

12

b.

13

c.

23

d. None of the above

Question number: 27

» Permutations and Combinations » Simple Applications

MCQ▾

Question

The number of ways in which mn students can be distributed equally among m sections is –

Choices

Choice (4) Response
a.

(mn)!m!

b.

(mn)!(n!)m

c.

(mn)m

d.

(mn)!n!

Question number: 28

» Matrices and Determinants » Types of Matrices

MCQ▾

Question

If inverse of a diagonal matrix is –

Choices

Choice (4) Response
a.

Diagonal

b.

Symmetric

c.

Skew – symmetric

d. None of the above

Question number: 29

» Trigonometry » Inverse Trigonometric Functions

MCQ▾

Question

If (tan1x)2+(cot1x)2=5π28 , then x=_ .

Choices

Choice (4) Response
a.

1

b.

0

c.

1

d. None of the above

Question number: 30

» Basic Mathematics » Arithmetic » Number Games

MCQ▾

Question

If 2<x<3 , then –

Choices

Choice (4) Response
a.

x3x2>0

b.

(x3)>(x2)

c.

x3 < x2

d.

(x3)(x2)<0

Question number: 31

» Integral Calculus » Integration by Substitution

MCQ▾

Question

If I1=x111+t2dt,I2=11x11+t2dt;x>0 , then –

Choices

Choice (4) Response
a.

I1=I2

b.

I2>I1

c.

I1>I2

d. All of the above

Question number: 32

» Integral Calculus » Integration by Substitution

MCQ▾

Question

If integral

In=0π4tannxdx,nN,

Then In+2+In equal –

Choices

Choice (4) Response
a.

1n+2

b.

1n

c.

1n1

d.

1n+1

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