Latest CTS Aptitude Question SOLUTION: Which one of the given numbers is completely divisible by 45? A. None of these B. 165642 C. 202860 D. 112330

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(#M40035417) CTS Numerical Ability question Numberes Keep an EYE

Which one of the given numbers is completely divisible by 45?

A. None of these

B. 165642

C. 202860

D. 112330

Asked In CTS suresh (10 years ago)

Solved azharshahid01@gmail.com Read Solution (16)

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Read Solution (16) :

azharshahid01@gmail.com  (10 years ago)

To be divisible by 45 number has to be divisible by both 9 and 5.
If number ends with zero or five then it'll be divisible by 5.
For 9, add all the digits and if addition of all the digits is divisible by 9 then number'll be divisible by 9.
So, option (C) 202860 => 2+0+2+8+6+0= 18 which is divisible of 9. Last digit is 0, means divisible by 5.
So, option (C)202860 is answer.

Is this solution Helpfull? Yes (57) | No   

sruthi  (10 years ago)

202860 is the answer
45 can be written as 9*5
here the numbers divided by 5 is 202860 and 112330 because unit digit is 0
the number divided by 9 from these two is sum of digits should be divided by 9
2+0+2+8+6+0=18 (divisible by 9 )
1+1+2+3+3+0=10(not divisible by 9)

so 202860 is divisible by 45

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AMIT  (10 years ago)

45 factorials are 3,5,9,45
2+0+2+8+6+0=18 ie divisible by both 3,5,9&45 (c) is correct

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JANARTHANAN RAM  (9 years ago)

*check the last no first.it should be 5 or 0
*if above is satisfied,then add all the digits up to get a single digit.if it is 9
,it is divisible by 45.

b)165642.
last no is 2 .It is not.
c)202860.
last no is 0.so add all digits 2+0+2+8+6+0=18;
1+8=9;
so it is divisible by 45.
d)112330
last no is 0.so add all digits 1+1+2+3+3+0=10;
1+0=1;
it is not 9.So it is not divisible by 45.

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santhi   (10 years ago)

ans:c
45=9*5
last digit 0 divide by 5
sum is 18 divide by 9
so c is correct

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vijay  (8 years ago)

ans:A

sol:
For a number to be divisible by 45 it should be divisible by both 5 and 9.But all the given numbers are not divisible by 9

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revathi.s  (10 years ago)

Anybodgot mail from amcat the test conducted on 19 aprill pls rply me

Is this solution Helpfull? Yes | No (3)  

ramakantkumar  (10 years ago)

2+0+2+8+6+0=18,we check divisibility of 45,means it is div by 5 and 9 also

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Shikha Sinha  (9 years ago)

c, lasting with 0 so divisible by 5 and try with 9

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souharda  (9 years ago)

c) is divisible by 45 as it is divisible by 5 and 9

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ved prakash  (9 years ago)

option c is completely divisible by 45 as it is divisible by both 5 and 9

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sunil  (9 years ago)

202860 divide by 9&5
also divide by 45

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venkatanarayana pamidi  (9 years ago)

9*5=45
num must be devided by bth d nums
C be the ans

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sachin verma  (9 years ago)

c is write
45=9x5
so no. should be divisible by both 9 and 5.
as only c,d option is divide by 5.
so now check for 9.
no. having sum divisible by 9 is divisible by so c option is correct.

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Amit Verma  (8 years ago)

202860 becouse 45=9*5
then no. should be divided by 9 and 5 both so that ,only no. will be divided by 5 when unit digit 0 or 5
and for 9 no. will be divisible by 9 if some of all digit no. will be divisible by 9.
so that 20286 is ans

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Raghvendra Pandey  (8 years ago)

202860 is div by 45

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