Birlasoft aptitude placement paper

Birlasoft visited our college for campus placement some days back. They conducted an aptitude test. I am sharing some of the questions I remember from the test.

Find the H.C.F. of 2/3, 3/9, 16/81 and 10/27.
a) 2/81 b) 80/3 c) 2/67 d) 3/19

By using 1,2,3,4,5 how many 5 digit numbers can be formed which are divisible by 4. Repetation of numbers is allowed.

If a pipe can fill the tank within 6hrs but due to a leakage it takes 30 min more. How long will a full tank take to get empty through the leakage?
a) 78 b) 56 c) 66 d) 59

a and b are mixed in 3:5 ratio and b and c are mixed in 8:5 ratio. If the final mixture is 35 liters, find the amount of b?
A) 13.34 b) 15.73 c) 16.73 d) 9.45

In a society the buildings were numbered from 1 to 100.Then how many 4’s will be present in the numbers?
a) 18 b) 19 c) 20 d) 21.

A train 135 meter long takes 5 sec to cross a man running at 15 kmph in a direction opposite to that of the train. Find the speed of the train.
a) 17.1 sec b) 17.2 sec c) 17.4 sec d) 17.3 sec

If four people L, B, Y, M are getting salary in ratio of 6: 4: 8 : 2 and Y is getting 1500 more than the M, then find out the salary of B?
a) 2000 b) 1000 c) 1500 d) 1200