Question 15

When 8 times of a number is increased by 4, the result is the smallest 3 digit number. What is the number?

let the number be N 

when N = 8

8N + 4

ATQ 

8N + 4  is a smallest 3 digit number

lets check the option

when N = 8

8N + 4 = 68


when N = 12

8N + 4 = 100 

when N = 15

8N + 4 =  124

when N = 10

8N + 4 = 84

 So, N = 12

Get AI Help

Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free

Join CAT 2026 course by 5-Time CAT 100%iler

Crack CAT 2026 & Other Exams with Cracku!

Ask AI

Ask our AI anything

AI can make mistakes. Please verify important information.