Reasoning for IBPS Clerk 2018

Directions (1โ€“5): The following questions are based on the five three โ€“ digit numbers are given below:

684 512 437 385 296

Q1. If 2 is added to the first digit of each of the number then how many numbers thus formed will be divisible by three?
(a) None
(b) One
(c) Two
(d) Three
(e) None of these

Q2. If all the digits in each of the numbers are arranged in descending order within the number, which of the following will be the highest number in the new arrangement of numbers?
(a) 684
(b) 385
(c) 296
(d) 437
(e) None of these

Q3. What will be the resultant number if the second digit of the second lowest number is divided by the third digit of the highest number?
(a) 2
(b) 3
(c) 0
(d) 1
(e) 4

Q4. If 1 is added to the first digit and 2 is added to the last digit of each of the numbers then which of the following number will be the second highest number?
(a) 385
(b) 684
(c) 437
(d) 296
(e) 512

Q5. If in each number the first and the second digits are interchanged then which will be the highest number?
(a) 296
(b) 512
(c) 437
(d) 684
(e) 385

 

Answers

Ans.1(b)
Sol. Only 385 will be divisible by 3 when added 2 on the first digit of each number.
Ans.2(c)
Sol. 864 521 743 853 962
Ans.3(a)
Sol. 8รท4=2
Ans.4(e)
Sol. 786 614 539 487 398
Ans.5(a)
Sol. 864 152 347 835 926