Six numbers, 5, 10, 15, 20, 25, and 30, are written on different faces of a dice. Two positions of this dice are shown. Select the number that will be on the face opposite to the face having the number 15.

Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 30.
In both dice, 10 is common. So, start rotating either in the clockwise or anticlockwise direction.
Clockwise direction:
Dice 1: 10 25 30
Dice 2: 10 20 15
So, 30 is opposite to 15.