Touch 'n go sdn bhd Interview Questions, Process, and Tips

Diagonal of square=1.414* a, where a is side of square.
ans=1.414*20
ans=28.28

12

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Kisan Baburao Hazare

these are question tht are seem to be like it consumes
time. so dont see jus the question and run to the next .
ans. a) 12
if 9 balls are added then the ratio to the combination
becomes 2:4:3.
9 balls make the ratio 3 for grey balls in tht mixture.
so the factor is 9/3 = 3 (in tht mixture)
so the same factor has to be maintained through out the
ratio. so black balls is 4 * 3 = 12 and white balls is 2 *
3 = 6.

835,sum(digits)= 16
734 = 14
642=12
751= 13,
853=16,
981=18,
532=10

answer(c)751

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Out of 10 persons, 4 are graduates; so, (10 – 4) = 6 are under-graduates.

If there is no restriction, any three can be chosen from the ten in (10C3) = 120 ways.

Now, if all three chosen are under-graduates; it can take place in (6C3) = 20 ways.

Therefore, the probability that there will be no graduate among the three chosen = (20 / 120) = (1 / 6).

Therefore, the probability that there will be at least one graduate among the three chosen = {1 – (1 / 6)} = (5 / 6) = 0.8333.

FYI

1/4, 1/8
4*8=32
32-4=28
28-8=20
28*20/(4^2)=35.00

( b ) 40 sq cm