Question:
The difference between 42% of a number and 28% of the same number is 210. What is 59% of that number?
A630
B815
C855
D885
Answer:
D. 885
Explanation:
Let the no. be x ⇒ (42% of x) - (28% of x) = 210 14% of x=210 14x = 21000 ⇒ x = 1500 59% of 1500 = (59/100) × 1500 = 59 × 15 = 885 Alternate Method: Let the number be100 Difference between 42% of a number and 28% of a number is 210 (42-28)----------->210 14--------->210 1 ---------> 15 59% of a number is, 59 ---------> 59 x 15 = 885.