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Frequently Asked TCS Numerical Ability - Sequence and Series Interview Questions with Answers

(#M40021870) TCS QUESTION Keep an EYE

The 49th term of an arithmetic progression is 23 and 62nd term is 37. What is the sum of the first 110 terms of the series?
option
a) 3000
b) 3300
c) 3600
d) 3900

Asked In TCS Tanu (11 years ago)

Unsolved Read Solution (4)

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(#M40115913) TCS QUESTION Keep an EYE

1,5,6 ,25, 26,30,31, 125,126,
130,131,150,151,155,156,……… What
is the value of 33rd term in the
given series

Asked In TCS shikha (10 years ago)

Solved Bharath Kumar Read Solution (12)

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(#M40026470) TCS QUESTION series Keep an EYE

5 : 24 :: 8 : ?

a. 65
b. 63
c. 62
d. 64

Asked In TCS sajid (11 years ago)

Unsolved Read Solution (25)

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(#M40027726) TCS QUESTION Keep an EYE

which term in following does not belong to the sequence formed by rest
7,9,17,42,91,172,293.

options
a)17
b)9
c)91
d)42

Asked In TCS ANkit (11 years ago)

Unsolved Read Solution (8)

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(#M40034265) TCS QUESTION series Keep an EYE

In the given series find the number which is wrong.

215,28,63,126,7,343

a) 215
b) 28
c) 126
d) 343

Asked In TCS MUKESH KUMAR (11 years ago)

Solved Gurpreet Singh Read Solution (22)

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(#M40010719) TCS QUESTION Keep an EYE

The sequence {A(n)} is defined by A1=2 and A(n+1)=A(n)+2n.
what is the value of A(100)?
a)9902
b)9900
c)10100
d)9904

Asked In TCS krishnaprasad TATA (12 years ago)

Unsolved Read Solution (9)

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(#M40040787) TCS QUESTION progression Keep an EYE

Two flash lights, of red and yellow colour respectively, flash at respective intervals of 9 seconds and 33 seconds.
24. In an interval of 250 seconds, what is the maximum possible difference in the number of times that the red and yellow lights flash?

Asked In TCS kirti khatri (10 years ago)

Unsolved Read Solution (3)

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(#M40039448) TCS QUESTION number series Keep an EYE

7,17,19,43,91,131...find the odd term

Asked In TCS Manjula (10 years ago)

Unsolved Read Solution (22)

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(#M40011385) TCS QUESTION Keep an EYE

A sequence x1,x2,x3…. Is said to be in harmonic progression if the reciprocals 1/x1,1/x2,1/x3… are in arithmetic progression. The 5th and 7th term for harmonic progression are 30 and 50 respectively what is difference between 6th and 4th term ?

Asked In TCS pooja mutha (12 years ago)

Unsolved Read Solution (3)

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(#M40000404) TCS QUESTION Keep an EYE

Series Problem like 4 12 x 44 46 132 134. Find x?

Solution

According to my opinion series should be
4, 12, x, 42, 44, 132, 134
for this series
4*3 = 12
12+2 = 14
14*3 = 42
42+2 = 44
44*3 = 132
132+2 = 134

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Asked In TCS S.RAMESH REDDY (14 years ago)

Solved Read Solution (15)

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