Latest Other Aptitude Question SOLUTION: what is the sum of all even integers between 99 and 301? a)20200 b)20000 c)40400 d)40000

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(#M40152712) OTHER Numerical Ability question Keep an EYE

what is the sum of all even integers between 99 and 301?
a)20200
b)20000
c)40400
d)40000

Asked In Other gandhi.manideep (8 years ago)

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veera  (8 years ago)

a=100,tn=300
a+(n-1)d=300=>n=101
Sn=n/2(a+l)=101/2(100+300)
Sn=20200

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vikas bhadoriya  (8 years ago)

USING AP WE CAN FIND N
300 = 100+(N-1)2
N=101
THEN Sn = 101/2(100+300) = 20200

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mathi  (8 years ago)

A's 2 hours works = 2/8= 1/4
remaining work= 1- 1/4 = 3/4
B and C work = 1/10 +1/12 = 11/60
so, 3/4 * 60/11 === 45/11
in mixed fraction 4(1/11)
A's 2 hours works = 2/8= 1/4
remaining work= 1- 1/4 = 3/4
B and C work = 1/10 +1/12 = 11/60
so, 3/4 * 60/11 === 45/11
in mixed fraction 4(1/11)

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