A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?

A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation? Correct Answer 64%

Let, number = x Actually multiplied by 53then the value is 5x3 But instead it 3x5So, the error distance  = 5x3 - 3x5 = 16x15in 5x3Error = 16x15" 1 " "  = 16x×315×5x" 100 " "  = 16x×3×10015×5x = 64% 
Bissoy MCQ

Related Questions

কঃখ =৩ঃ৫, খঃগ =৪ঃ৭, হলে, কঃগ = কত?
তিনজনের মধ্যে ৭৫০ টাকা ৩ঃ৫ অনুপাতে ভাগ করে দিলে ভাগের টাকার অংশগুলো হবে-