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# Syntel Inc. Placement Questions & Answers :: Syntel Inc.

59.91K

## Total Qs: 91+

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What is the next number of the following sequence
125102550(?)

A125

B100

C150

D130

E120

Explanation:

Consider the series as 1 2 5 10 25 50 ____
1*2 = 2
2*2.5 = 5
5*2 = 10
10*2.5 = 25
25*2 = 50
50*2.5 = 125

Tags: Syntel Inc.

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What is the next number of the following sequence
1.5, 3, 9, 18, 54, 108,...?

A216

B324

C432

D162

E370

Explanation:

5*2=3
3*3=9
9*2=18
18*3=54
54*2=108
108*3=324

Tags: Syntel Inc.

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what is the next number following sequence
49216256498(?)

A5

B6

C4

D3

E1

Explanation:

49 216 25 64 9 8(?)
7^2 6^3 5^2 4^3 3^2 2^3 (1^2)

Tags: Syntel Inc.

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What is the next number following sequence
272267202607(?)

A1821

B1831

C1822

D1812

E1820

Explanation:

2 7 22 67 202 607 ?
2*3+1=7
7*3+1=22
22*3+1=67
67*3+1=202
202*3+1=607
607*3+1=1822

Tags: Syntel Inc.

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Choose the correct option.

If the value of the numerator is increased by 20% and that of the denominator is decreased by 25% the fraction becomes unity the numerator of original fraction is:

A8

B5

C9

DNone of these

Explanation:

120n/75d=1
n/d=75/120=5/8

Tags: Syntel Inc.

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4
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Choose the correct option.

A started business investing Rs. 60,000.Exactly six months later,B joined him investing Rs. 90,000.If they make a profit of Rs. 1,26,000 at the end of the year. How much should B's share in it?

ARs. 72,000,

BRs 54,000,

CRs. 32,000,

DRs. 63,000,

ENone of these

Explanation:

A investment for 12 months = 60,000*12 = 720000
B investment for 6 months = 90000 * 6 = 540000
A & B investment ratio = 72/54 => 4/3
So, B' share = 126000 * 3/7= 54000

Tags: Syntel Inc.

NA
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10
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Choose the correct option.

B's monthly salary is less by 10% than that of A's.C's monthly salary is less by 25% than that of A's.By what percent of B's salary more than that of C's?

A20%

B15%

C23%

D13%

ENone of these

Explanation:

Lets consider c's salary = Rs. 100
B's will be 90
C's will be 100(1-25/100)=100*(75/100)=75
[(90-75)/75]*100=(15/75)*100=20%

Tags: Syntel Inc.

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28
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Choose the correct option.

Sand and cement were mixed in the ratio 3 : 1 to make up 1 tonne. How much sand must be added to make the ratio 6 : 1 ?

A1 tonne.

B750 kg.

C500 kg.

D5 tonne.

ENone of these

Explanation:

Let amount of sand and cement as 3x and x
3x+x = 1000kg
x = 250
Sand : cement => 750 : 250
(750+y)/250 = 6/1
=> y = 750 kg.

Tags: Syntel Inc.

NA
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8
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Choose the correct option.

Five years ago the average age of a family of six members was 20 years. A baby is born and now the average age is 22 years. How old is the baby at present ?

A2 yers

B5 years

C3 years

D4 years

Explanation:

Lets assume the age of all the 6 people = 20 years.
After 5 years i.e. now their ages will be 25 years.
Total age of all the 6 will be = 25*6 = 150
Including baby's age, avg is 22 years
Let x be the age of baby.
(150+x)/7 = 22
=> x = 4 years.

Tags: Syntel Inc.

NA
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18
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Choose the correct option.

Two trains 246 m and 304 m long are travelling towards one another at 114 km/hr and 66 km/hr respectively. How long do the trains take to pass one another?

A13 sec

B1 sec

C11 sec

D9 sec