A 30-inch rope was cut into two pieces .The longer piece was 6 inches shorter than twice the lengthiof the shorter piece .What was the length ( in inch ) of the longer piece ?
Solution
Correct Answer: Option B
মনে করি ,
ছোট অংশের দৈর্ঘ্য =x ইঞ্চি
অতএব ,বড় " " =(2x-6) "
প্রশ্নমতে, ,2x-6+x=30
বা,3x=36
বা, x=12
অতএব ,বড় অংশের দৈর্ঘ্য =2×12-6
=24-6
=18 ইঞ্চি