TCS Company Numerical Ability Permutation and Combination

Q. In a pizza restaurant, you get a basic pizza with two toppings: cheese and tomato. You can also make up your own pizza with extra toppings. You can choose from 6 different toppings, e.g. olives, ham, mushoroom, salami etc Ross wants to order a pizza with 2 different extra toppings. How many different combinations are possible?

Read Solution (Total 14)

TCS Other Question

How many six digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the numbers should not repeat and the second last digit is even? In 6 years, Raj's father will be twice Raj's age then. Two years ago, while his mother was twice his age then. If Raj is going to be 25 years old 3 years from now, then what is the sum of his parent's age now?