Numerical Ability-Sequence and Series (CSIR (Council of Scientific & Industrial Research) Part A Aptitude): Questions 30 - 34 of 34

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Question number: 30

» Numerical Ability » Sequence and Series

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MCQ▾

Question

The term of an A. P. is and its term is . Find its third term and common difference respectively.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 31

» Numerical Ability » Sequence and Series

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MCQ▾

Question

What should the next number

Choices

Choice (4)Response

a.

b.

c.

142.63

d.

Question number: 32

» Numerical Ability » Sequence and Series

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MCQ▾

Question

The present age of Soham is of his father’s present age. Soham’s brother is 3 years older than him. The respective ratio between the present ages of Soham’s father and brother is . What is the present age of Soham?

Choices

Choice (4)Response

a.

8 years

b.

12 years

c.

16 years

d.

21 years

Question number: 33

» Numerical Ability » Sequence and Series

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Appeared in Year: 2012

MCQ▾

Question

See the following mathematical manipulations (December)

(i) Let

(ii) then

(iii)

(iv) [cancelling ( ) from both sides]

(v) [Putting ]

Which of the above is the wrong step?

Choices

Choice (4)Response

a.

(iii) to (iv)

b.

(i)

c.

(ii) to (iii)

d.

(iv) to (v)

Question number: 34

» Numerical Ability » Sequence and Series

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Appeared in Year: 2012

MCQ▾

Question

In a sequence every term is equal to the sum of all its pervious term (December)

If , then is

Choices

Choice (4)Response

a.

3

b.

2

c.

e

d.

1

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