Latest TCS Aptitude Question SOLUTION: If n = 10 x 18 x 22, which of the following is NOT an integer? (a) n / 132 (b) n / 55 (c) n / 45 (d) n / 20 (e) n / 78

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(#M40011146) TCS question Keep an EYE

If n = 10 x 18 x 22, which of the following is NOT an integer?
(a) n / 132 (b) n / 55 (c) n / 45 (d) n / 20 (e) n / 78

Asked In TCS Srivastav Reddy (11 years ago)

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Read Solution (3) :

sainath  (11 years ago)

by taking the prime factors,
we can write n as (5*2)*(2*3*3)*(11*2)=2*2*2*3*3*5*11
now 132=11*12=2*2*3*11 so it is perfectly divides n
similarly 55=5*11
45=3*3*5
20=2*2*5
which are also perfectly divides n...
but 78=2*3*13 which cant divide n perfectly...

so n/78 is not an integer...

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parag munjani  (11 years ago)

YEAH MY MISTAKE SAINATH IS RIGHT

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parag munjani  (11 years ago)

ANS=A
SIMPLE CHECK THE OPTION

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