TCS Company Numerical Ability Permutation and Combination

How many words can be formed using the letters of the word DAUGHTER, so that all the vowels occurs together?
1)8640 2)2880 3)6720 4)4320

Read Solution (Total 13)

TCS Other Question

Mr. A took the sum of natural numbers. By mistake he added a number twice and find the sum to be 1000. Find the repeated number.
1)20 2)15 3)10 4)18
If the cone is cut along its axis from the middle, the new shape new shape we obtain after opening the paper is