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Numerical Ability
Arithmetic
Two consecutive no. are removed from the progression 1,2,3,4,.............n the arithmetic mean of the remaining no. 261/4.The value of n is
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- ans is 7 and 8
sum of remaining no.s=105/4(n-2)
sum of two nos are=a+a+1
sum of n nos is=n(n+1)/2
2a+1+105/4(n-2)=n(n+1)/2
put the options .... the one in which a will be coming in integer will be the answer - 10 years agoHelpfull: Yes(4) No(1)
- dude it is 26 1/4 not 261/4.
- 10 years agoHelpfull: Yes(3) No(0)
- 50 may be
- 10 years agoHelpfull: Yes(1) No(1)
- answer 50
- 10 years agoHelpfull: Yes(0) No(1)
- options are 50,60,81,cannot be determined....!! NOW SOLVE IF U CAN
- 9 years agoHelpfull: Yes(0) No(0)
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