IBPS Question of the day


IBPS Question of the day. Numerical ability

 1. Simplify the following sum. 

 317 x 317 + 134 x 134 + 2 x 317 x 134
Answer:
Explain the answer


2.Which of the following numbers is divisible by 3  and explain how?

 (i) 541326 (ii) 5967013

 Answer:
Explain the answer

2 comments:

  1. Anonymous17 November 2012 at 17:21

    Answer 1. = (317)2+ (134)2+ (2 x 317x 134)
    = a2 + b2 + 2ab, where a = 317,b=134
    = (a+b)2 = (317 + 134 )2 = (451)2 = 203401.

    ReplyDelete
  2. Anonymous17 November 2012 at 21:13

    The number 541326 is divisible by 3 because the sum of the number is 21 which is divisible by 3.Therefore,the no. is divisible by three.
    Hence,(i) is the correct answer.

    ReplyDelete