administrators Reply Quote

Answer : Explanation : 90 D in RA means 90 Degrees in Right Angle. It is a logic question which is to be eloborated. Some more of its kind are:1. 52 W in a Y     -    52 Weeks in a Year2. 7 C in a R        -    7 Colours in a Rainbow3. 9 P in SS4. 5 C in an OF5. 12 S of the Z

Click here to see the full blog post