Sequence and Series (BITSAT Mathematics): Questions 8 - 14 of 14

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Question number: 8

» Sequence and Series » Arithmetico - Geometric Progression

MCQ▾

Question

If the sum of first n natural numbers is one – fifth of the sum of their squares, then n is

Choices

Choice (4) Response

a.

6

b.

7

c.

5

d.

8

Question number: 9

» 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: 10

» Sequence and Series » Sum Upto N Terms of Special Series

MCQ▾

Question

The sum of 40 terms of an A. P. whose first term is 2 and common difference 4, will be

Choices

Choice (4) Response

a.

3200

b.

200

c.

1600

d.

2800

Question number: 11

» Sequence and Series » Geometric Progressions

MCQ▾

Question

If a,b,c,d , are in G. P. , then ac equals

Choices

Choice (4) Response

a.

ba

b.

cb

c.

dc

d.

bd

Question number: 12

» Sequence and Series » Arithmetic Series

MCQ▾

Question

If pth term of an AP is q and qth term is p , then its rth term is –

Choices

Choice (4) Response

a.

p+qr

b.

p+q+r

c.

pqr

d.

pq+r

Question number: 13

» Sequence and Series » Sum Upto N Terms of Special Series

MCQ▾

Question

113+123+133++203 is –

Choices

Choice (4) Response

a.

An odd integer but not a multiple of 5

b.

An odd integer devisable by 5

c.

Multiple of 10

d.

An even integer

Question number: 14

» Sequence and Series » Relation Between AM and GM

MCQ▾

Question

The G. M of the numbers 3, 32,33,,3n is –

Choices

Choice (4) Response

a.

3n2

b.

3(n1)2

c.

3n+12

d.

32n

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