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

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## Total Qs: 90+

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11 / 90

Choose the correct option.

How many prime factors are there in the expression (6)23 x (4)10 x (5)10 ?

A7

B76

C3

D9

Explanation:

(6)23 x (4)10 x (5)10
2*3*23*2*2*2*5*5*2*5
=> 2^5 * 3^1 * 5^3
=> 5+1+3 = 9

Tags: Syntel Inc.

NA
SHSTTON
6
Solv. Corr.
10
Solv. In. Corr.
16
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12 / 90

As per scheme a car loan of Rs. 4 lakh at 12.5 p.c.p. rate of simple interest can be borrowed on a repayment term of lump sum amount at the end of 3 years.
As per scheme (b), the amount can be repaid at the end of 2 years, but compound interest (compounded annually) would be charged at the same rate. What would be the difference in amount of interest between the two schemes?

ARs. 43,125

BRs 43,750

CRs. 41,025

DData inaequate

ENone of these

Explanation:

Scheme ,
p=400000
r=12.5%
n=3
SI = 400000*3*12.5/100
SI = 150000
Total Sum = 550000
Scheme (b)
Amount = 400000[1 + 12.5/100]^2
=> 400000*[9/8 * 9/8]
Amount = 506250
Difference is 550000 - 506250 = Rs. 43750

Tags: Syntel Inc.

NA
SHSTTON
8
Solv. Corr.
6
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14
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13 / 90

A stock of rice is enough for 100 men for 60 days. How long will the same stocks of rice last for 500 men:

A9 days

B5 days

C6 days

D10 days

E12 days

Explanation:

Men Days
----------------------
100 (u) 60 (d)
500 x

100/500 = x/60
=> x = (100/500) * 60 = 12 days.

Tags: Syntel Inc.

NA
SHSTTON
7
Solv. Corr.
10
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17
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14 / 90

Two pipes A and B can fill a tank in 4 hours and 5 hours respectively. If they are turned up alternatively for one hour each,then time taken to fill the tank is:

A2 hrs 15 mins

B4 hrs 24 mins

C5 hrs

D3 hrs

Explanation:

L.C.M of 4hr and 5hr will be 20units. (tank size)
Given. pipe A and B fill a tank in 4 hrs and 5 hrs res.
So, A can fill 5u in 1hr and B can fill 4u in 1hr.
(5u+4u)+(5u+4u)=18u in 4hr (alternatively opend)
Remaining 2u will be filled by pipe A
5u will take=60mins
Hence 1u =60/5min=12mins
Hence 2u will take 12*2=24mins.
Total time required = 4 hrs. + 24 min.

Tags: Syntel Inc.

NA
SHSTTON
2
Solv. Corr.
9
Solv. In. Corr.
11
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15 / 90

At a garden site, 16 Mango trees,24 banyan trees and 28 Guava trees are to be planted in certain no of rows in such a way that each row has equal no of trees of the same species. what is the minimum number of rows that are required for this purpose

A17

B11

C18

D19

Explanation:

4 mango trees in 4 rows
4 banyan trees in 6 rows
4 guava trees in 7 rows
Total = 4+6+7=17

Tags: Syntel Inc.

NA
SHSTTON
3
Solv. Corr.
6
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9
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16 / 90

If (x-4)/7 + (7-2x)/6 = (8-x)/2 , then x= ?

A9

B7

C11

D2

Explanation:

(x-4)/7 + (7-2x)/6 = (8-x)/2
(6x-24+49-14x)/42 = (8-x)/2
=> 50-16x = 336-42x
=> 26x = 286
=> x = 11

Tags: Syntel Inc.

NA
SHSTTON
2
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Solv. In. Corr.
14
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17 / 90

Choose the correct option.

0.0002 / 0.004 + 0.0002 = ?

A0.2002

B0.5002

C0.0052

D0.0502

ENone of these

Explanation:

Here is no explanation for this answer

Tags: Syntel Inc.

NA
SHSTTON
4
Solv. Corr.
10
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14
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18 / 90

Choose the correct option.

(0.645 * 0.645 - 0.355 * 0.645 + 0.355*0.355)/(0.645 * 0.645*0.645 + 0.355 * 0.355*0.355) = ?

A10

B100

C0.01

D0.1

E1

Explanation:

a^3+b^3 = (a+b) (a^2 - ab +b^2)

Tags: Syntel Inc.

NA
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4
Solv. Corr.
6
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19 / 90

What should come in place of both question marks?
2.5/? = ?/1.6

A2.5*1.6

B4

C2

D0.09

ENone of these

Explanation:

Here is no explanation for this answer

Tags: Syntel Inc.

NA
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20 / 90

The arithmetic mean of three numbers is 55. if the largest number is 2.5 times the smallest number and the remaining number is twice the smallest number, what is te largest of the three numbers.

A55

B165

C70

D75

ENone of these