THE MEAN OF 5 NUMBERS IS 60, OUT OF WHICH MEAN OF 4 NUMBERS IS 50 , FIND THE 5th NUMBER
a)50
b)100
c)60
d)55
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THE MEAN OF 5 NUMBERS IS 60, OUT OF WHICH MEAN OF 4 NUMBERS IS 50 , FIND THE 5th NUMBER
a)50
b)100
c)60
d)55
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Answer:
5 is the fifth number
Step-by-step explanation:
unknown number = x
Mean = 50+60+100+55+x
5
60*5 = 265 + x
300 - 265 = x
x = 35 = unknown number
Answer:
50
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