BITSAT Mathematics: Questions 74 - 81 of 348

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Question number: 74

» Vector Algebra » Scalar and Vector Products

MCQ▾

Question

If ab= a b , then a and b are –

Choices

Choice (4) Response

a.

Perpendicular

b.

Unlike parallel

c.

Like parallel

d.

Confident

Question number: 75

» Basic Mathematics » Algebra » Solutions to Equations

MCQ▾

Question

If one root of 5x2+13x+C=0 is reciprocal of the other, then

Choices

Choice (4) Response

a.

C=6

b.

C=0

c.

C=16

d.

C=5

Question number: 76

» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers

MCQ▾

Question

The smallest integer for which (1+i1i)n=1 is

Choices

Choice (4) Response

a.

n=8

b.

n=4

c.

n=12

d.

n=16

Question number: 77

» Complex Numbers and Quadratic Equations » Representation of Complex Numbers in Form a Plus Ib

MCQ▾

Question

z+z¯=0 , if and only if,

Choices

Choice (4) Response

a.

Re(z)=0

b.

Im(z)=0

c.

z=0

d.

Question does not provide sufficient data or is vague

Question number: 78

» Sequence and Series » Arithmetico - Geometric Progression

MCQ▾

Question

The value of 913×919×9127, is

Choices

Choice (4) Response

a.

3

b.

9

c.

1

d.

None of the above

Question number: 79

» Basic Mathematics » Arithmetic » Exponents, Roots and Logarithms

MCQ▾

Question

If ax=b,by=c,cz=a , then value if xyz is

Choices

Choice (4) Response

a.

1

b.

2

c.

3

d.

6

Question number: 80

» Basic Mathematics » Arithmetic » Exponents, Roots and Logarithms

MCQ▾

Question

The value of (0.5)log2(14+18+116+) is

Choices

Choice (4) Response

a.

0.2

b.

0.5

c.

0.5

d.

0.2

Question number: 81

» Basic Mathematics » Arithmetic » Exponents, Roots and Logarithms

MCQ▾

Question

If A=log2log2log4256+2log22 , then A=_ .

Choices

Choice (4) Response

a.

2

b.

5

c.

7

d.

3

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