If one-third of one-fourth of a number is 15, then three-tenths of that number is:
Solution
Correct Answer: Option D
মনেকরি,
সংখ্যাটি = x
প্রশ্নমতে,
x এর 1/4 এর 1/3 = 15
⇒ x/4 এর 1/3 = 15
⇒ x/12 = 15
⇒ x = 12 × 15
∴ x = 180
180 এর 3/10 = (180 × 3)/10 = 54
সংখ্যাটি = x
প্রশ্নমতে,
x এর 1/4 এর 1/3 = 15
⇒ x/4 এর 1/3 = 15
⇒ x/12 = 15
⇒ x = 12 × 15
∴ x = 180
180 এর 3/10 = (180 × 3)/10 = 54
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