TCS Company Numerical Ability Permutation and Combination

What will be the 55th word in the arrangementsof the letters of the word PERFECT ?

Read Solution (Total 14)

TCS Other Question

We have an equal arms two pan balance and need to weigh objects with integral weights in the range 1 to 40 kilo grams. We have a set of standard weights and can place the weights in any pan. . (i.e) some weights can be in a pan with objects and some weights can be in the other pan. The minimum number of standard weights required is:
a. 4
b. 10
c. 5
d. 6
Sol: Option A
The sum of first 40 terms 1,6,7,13,20 .... ?