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Question

what is the sum of all even integers between 99 and 301?

A)40000

B)20000

C)40400

D)20200

RAVI KUMAR V 11 year ago is this solution helpfull: 3 0

RAVI KUMAR V 11 year ago is this solution helpfull: 0 0

b)20000

KABIRUL ISLAM 11 year ago is this solution helpfull: 0 2

KABIRUL ISLAM 11 year ago is this solution helpfull: 0 1

sorry for mistake it will d)20200

KABIRUL ISLAM 11 year ago is this solution helpfull: 0 1

there r 101 evn numbr between 99 n 301

so AP sum=101/2(100+300)=20200

SHAZ 11 year ago is this solution helpfull: 0 2

ie 100,102,..........................300

these are in ap so use the sum of n terms

sn=n/2(2a+(a+(n-1)d)

where d is difference =2 and a=100 and n=101(number of terms)

then u get answer 20200..........ie option D

Best SolutionRSIVA 11 year ago is this solution helpfull: 5 0

ie 100,102,..........................300

these are in ap so use the sum of n terms

sn=n/2(2a+(a+(n-1)d)

where d is difference =2 and a=100 and n=101(number of terms)

then u get answer 20200..........ie option D

RSIVA 11 year ago is this solution helpfull: 1 0

D)20200

ASHUTOSH RANJAN 11 year ago is this solution helpfull: 0 0

20200

MANDAVI DUBEY 10 year ago is this solution helpfull: 0 0

ASHIT MAHAJAN 10 year ago is this solution helpfull: 0 0

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