Question

A student was asked to find 3/7th of a number and he instead multiplied it by 7/3. As a result he got an
answer which was more than the correct answer by 1680. What was the number?
Select one:
O a. 882
O .
b. 954
C. none of these
O d. 986​

Answer 1

Answer:

a

Step-by-step explanation:

let the no be x

7x/3 - 3x/7 =1680

(49x-9x)/21=1680

40x=35280

x= 882