If one-third of one-fourth of a number is 15, then three-tenth of that number is :
If one-third of one-fourth of a number is 15, then three-tenth of that number is : Correct Answer 54
Hints: ধরি সংখ্যটি, x তাহলে, 1/3 × 1/4 × x = 15 x = 180 180 × 3/10 = 54 (ans)