Two numbers are in the ratio 5:4 and their difference is 10. What is the largest number?
A
40
B
30
C
50
D
45
Correct Answer: 50
Hints: ধরি, সংখ্যা দুটি 5x ও 4x 5x - 4x = 10 x = 10 বড় সংখ্যাটি = 5x = 5×10 = 50