Latest Elitmus Aptitude Question SOLUTION: if average of 7 no is 7. and average of first 5 no is 6. and average of last 5 no is 7.how to calculate of last digit value(means 7 no)?

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if average of 7 no is 7. and average of first 5 no is 6. and average of last 5 no is 7.how to calculate of last digit value(means 7 no)?

Asked In Elitmus swati gupta (10 years ago)

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ASHISH MUKHERJEE  (10 years ago)

According to Question :-
7 no avg = 7 it means total must be 49
first 5 no avg = 6 it means total must be 30 (here last two number left that must be sum of 19)
last 5 no avg = 7 it means total must be 35
so last two digit must be = 19.
after that i am not getting how to calculate 7th no value.

Is this solution Helpfull? Yes (5) | No (1)  

Mithun Kumar Kesari  (10 years ago)

i think some data is missing..

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swati gupta  (10 years ago)

its correct question ...

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manu  (10 years ago)

10~ 4+5+6+7+8+9+10/7=7 4+5+6+7+8/5=6;5+6+7+8+9/5=7

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ASHISH MUKHERJEE  (10 years ago)

Swati gupti if you have solution then please share here because what i concluded according to question difficult to find 7th no value?

Is this solution Helpfull? Yes (1) | No (1)  

shivendra pratap singh  (10 years ago)

only conclusion drawn is the sum of last two is 19
let the numbers be
a,b,c,d,e,f,g
f+g=19
now further question is proceed with the help of options

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sohini maity  (10 years ago)

ans is 16
explanation: (5*6)+(5*7)-(7*7)=16

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euro  (9 years ago)

abcdefg are 7 no...
f+g 19
a+b 14
g?

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