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Numerical Ability
Averages
If a, b, c, d, e are five consecutive odd numbers, their average is :
a. 5 (a + 4)
b. abcde / 5
c. 5 (a + b + c + d + e)
d. None of these
Read Solution (Total 7)
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- five consecutive odd number a,a+2,a+4,a+6,a+8
a+(a+2)+(a+4)+(a+6)+(a+8)=(5a+20)
avg=a+4 - 13 years agoHelpfull: Yes(6) No(6)
- average = c
{ average of odd number of consecutive terms ( odd or even ) = term at median }
here median term is c
there are many possible answers, but none from first three options - 9 years agoHelpfull: Yes(1) No(0)
- ANS:d
5 consecutive odd numbers be a,b,c,d,e
but odd numbers are a,a+2,a+4,a+6,a+8
then avg=(5a+20)/5=5(a+4)/5=a+4
hence answer is option d.
- 9 years agoHelpfull: Yes(0) No(0)
- Given, a, b, c, d, e are five consecutive odd numbers.
i.e b= a+2, c= a+4, d= a+6, e= a+8
Their average = (a + a+2 + a+4 + a+6 + a+8)/ 5= 5a+20/5 = a+4. - 8 years agoHelpfull: Yes(0) No(0)
- let a=1 b=2 c=3 d=5 e=7 avg=a+b+c+d+e/5= 5*(a+4)
- 8 years agoHelpfull: Yes(0) No(0)
- answer is b
- 7 years agoHelpfull: Yes(0) No(0)
- Option (d)
- 4 years agoHelpfull: Yes(0) No(0)
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