Question

39. If 25% of a number is less than 18% of 650 by
19, then find the number.
​

Answer 1

According to the statement,

25% of a number = 18% of 650- 19

Therefore,

25/100×x=18/100×650-19

25/100×x=117-19

25/100×x=98

1/4×x=98

x=98×4

x=392

Therefore, the unknown number is 392.