the mean of 100numbers is 45 .the mean of the last 99 numbers is 44 . the first number is.
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S100 = T1 + T2 + T3 +....T100=45...eq(1)
Sum of last 99 numbers = T2 + T3 + T4 +...+T100 = 44...eq(2)
eq(1)-eq(2)= T1= 1st term
=45-44=1
Therefore your answer is 1
HOPE IT HELPS...
Sum of last 99 numbers = T2 + T3 + T4 +...+T100 = 44...eq(2)
eq(1)-eq(2)= T1= 1st term
=45-44=1
Therefore your answer is 1
HOPE IT HELPS...
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