Aptitude question. Answer

Ques. If a, b, c, d, e are five consecutive odd numbers, their average is a) 5(a + 4) b) abde/5 c) 5(a + b + c + d + e) d) a + 4

  • Shivangee
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Your Answer

d) (a+4)
since a, b, c, d and e are consecutive odd numbers;
let b=a+2;
 c=(a+4);
d=(a+6);
e=(a+8);
let the average be=x
x=(a+b+c+d+e)/5;
now by substituting values of b , c, d. e we get
x=(5*a+20)/5;
x=5(a+4)/5
x=(a+4);
 

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