TCS Company Numerical Ability LCM and HCF

Which is the smallest no which divides 2880 and gives a perfect square?
a)4 b)9 c)3 d)5

Read Solution (Total 5)

TCS Other Question

3 persons A, B, C were there. A always says truth, B lies on monday, tuesday and wednesday but C lies on thrusday, friday & saturday. one day A said that B & C said to A, that B said yesterday was one of the days when I lies. C said that yesterday was one of the days when I lies too then which day was that?
a) Sunday
b) Thursday
c) Saturday
d) Tuesday
How many 9 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if the repetition is allowed?
a)5^7 b)5^6 c)5^9 d)5^8