RRB NTPC · Question 25
Consider the following information and answer the following questions based on it. Five different boxes of blue, green, black, red and white are placed in an irregular order from left to right such that - 1. The black box is not on the end edges. 2. The white box is second from the right end. 3. There are two boxes between the red and black boxes and one box between the blue and red boxes. Which box is the first from the left? A. Red B. White C. Blue D. Green
Show answer & explanation
Answer: (D) D
Explanation
White is 4th from the left. Black is not at an end, so it is 2nd or 3rd; with two boxes between red and black, black = 2 and red = 5. Blue is one box away from red, at 3. Green takes position 1. Order: Green, Black, Blue, White, Red. The first from the left is green.