If the average of 7, 13, p and q is 17, what is the average of (p+11) and (q-9)?
Created: 6 years ago |
Updated: 3 years ago
best des
Hints: এই গণিতে লক্ষ করুন, প্রথমে 4 টি বস্তুর average , কিন্তু পরে ( p + 11) এবং ( q - 9) অর্থাৎ দুটি বস্তুর average চাওয়া হয়েছে।
( 7 + 13 + p + q) / 4 = 17
p + q = 48
এখন, (p + 11) + ( q - 9) / 2 = (p + q + 2) / 2 = 50/2 = 25
Md Azizur Rahman
Founder of Satt
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