The number of flights leaving a certain airport doubles during every one-hour period between its 9 am opening and noon; afternoon, the number of flights leaving from the airport doubles during every two-hour period. If 4 flights left from the airport between 9 am and 10 am, how many flights left the airport between 2 pm and 4 pm?
Created: 6 years ago |
Updated: 3 years ago
best des
9 টা থেকে noon অর্থাৎ 12টা পর্যন্ত flight সংখ্যা double হয় প্রতি 1 ঘণ্টায় । 9 টা থেকে 10 টায় ছুটি flight হলে 10 - 11 টায় 2x, 11 - 12 টায় 4x / Noori - এর পর প্রতি দুই ঘণ্টায় হয় দ্বিগুণ। 12 - 2 টায় ৪r 2টা থেকে 4টায় হয় 16x, তাহলে x = 4 দেওয়া আছে। সুতরাং ফ্লাইট সংখ্যা = 16x = 16 × 4 = 64
Md Azizur Rahman
Founder of Satt
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