TCS New Placement Papers model
TCS New Placement Papers model Questions for practice TCS has changed the database of questions for its aptitude test.Below mentioned questions give you an overview of the models 1. What are the total number of divisors of 600(including 1 and 600)? a. 24 b. 40 c. 16 d. 20 Sol: Option a If N = ap × bq × cr .... then the number of factors of N = (p+1)(q+1)(r+1) .... 600 = 23×3×52 So number of factors of 600 = (3+1)(1+1)(2+1) = 24 2. What is the sum of the squares of the first 20 natural numbers (1 to 20)? a. 2870 b. 2000 c. 5650 d. 44100 Sol: Option a Use formula n ( n +1)(2 n +1)/6 3. What is ∑ K =028 K 2(28 KC ) where 28 KC is the number of ways of choosing k items from 28 items? a. 406 * 227 b. 306 * 226 c. 28 * ...