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Q. Which of the following cannot be the sum of 12 consecutive odd natural numbers?
Option
a) 2300
b) 2924
c) 3644
d) 4356
e) All of these
Read Solution (Total 4)
-
- All of these.
sum of 12 consecutive odd natural numbers can not be equal to any of these numbers.
As average of these 12 numbers should be an even integer. - 12 years agoHelpfull: Yes(6) No(2)
- odd consecutive no. are X+(2x+1)+(2x+3)+.............(2x+21)=2300,2924,3644,4356
none of them satisfy the natural no. condition - 12 years agoHelpfull: Yes(1) No(4)
- i think its 4356
- 12 years agoHelpfull: Yes(0) No(7)
- i can use here sum of series=(n/2)*(2a+(n-1)*d)
here n=12,a=1,d=2
so sum=144
so option e is correct - 11 years agoHelpfull: Yes(0) No(2)
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