Discuss Forum
1. If 18 is 15% of 50% of a certain number, what is the number?
- A. 360
- B. 360
- C. 360
- D. 360
Answer: Option C
Explanation:
ধরি, সংখ্যাটি x
∴ x এর 50% = 50x /100
আবার, 50x /100 x 15/100 = 18
⇒ 3x = 18 x 40
∴ x = (18 x 40)/3 = 240
Post your comments here: