A library has an average number of 510 visitors on friday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with Friday is -
A. 295
B. 285
C. 275
D. 265
JUIBA (Unit-G)Set-Dসাধারণ গণিতMath-Gen-12কেন্দ্রীয় প্রবণতা (গড়, মধ্যক, প্রচুরক) (Topic Practice)JU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
285
Explanation:
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