Two-fifth of one-fourth of three seventh of a number is 15. What is the half of the number?
Solution
Correct Answer: Option A
ধরি, সংখ্যাটি = x
প্রশ্নমতে, (2x/5) এর (1/4) এর (3/7) = 15
⇒ 3x/70 = 15
∴ x = 350
∴ সংখ্যাটির অর্ধেক = 350/2 = 175
প্রশ্নমতে, (2x/5) এর (1/4) এর (3/7) = 15
⇒ 3x/70 = 15
∴ x = 350
∴ সংখ্যাটির অর্ধেক = 350/2 = 175
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