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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)?
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- 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.
- 10 years agoHelpfull: Yes(5) No(1)
- i think some data is missing..
- 10 years agoHelpfull: Yes(1) No(1)
- its correct question ...
- 10 years agoHelpfull: Yes(1) No(0)
- 10~ 4+5+6+7+8+9+10/7=7 4+5+6+7+8/5=6;5+6+7+8+9/5=7
- 10 years agoHelpfull: Yes(1) No(0)
- Swati gupti if you have solution then please share here because what i concluded according to question difficult to find 7th no value?
- 10 years agoHelpfull: Yes(1) No(1)
- 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 - 10 years agoHelpfull: Yes(0) No(0)
- ans is 16
explanation: (5*6)+(5*7)-(7*7)=16 - 10 years agoHelpfull: Yes(0) No(1)
- abcdefg are 7 no...
f+g 19
a+b 14
g? - 10 years agoHelpfull: Yes(0) No(0)
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