or
or
A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?
মনে করি, A=1; B=2; C=3; D=4; E=5
এখন, A+B+C+D+E= 15
20% of 15= (20×15)/100 = 3
Here, 3=C
