Question
Download Solution PDFA এবং B এর বর্তমান বয়সের অনুপাত যথাক্রমে 2 ∶ 3, 5 বছর পর তাদের বয়সের অনুপাত 3 ∶ 4 হবে। বর্তমানে B এর বয়স কত?
Answer (Detailed Solution Below)
Detailed Solution
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A এবং B এর বর্তমান বয়সের অনুপাত 2 ∶ 3
5 বছর পর তাদের বয়সের অনুপাত হবে 3 ∶ 4
গণনা:
ধরাযাক, A এবং B এর বর্তমান বয়স 2x এবং 3x বছর
প্রশ্ন অনুযায়ী,
⇒ 8x + 20 = 9x + 15
⇒ 20 - 15 = 9x - 8x
⇒ x = 5
সুতরাং, B এর বর্তমান বয়স = 3 × 5
⇒ 15 বছর
∴ B এর বর্তমান বয়স 15 বছর।
Last updated on Jul 12, 2025
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