What is the sum of all no. between 100 and 1000 which are divisible by 14?
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Here an AP becomes
112,126,...................,994
a=112 d=126-112=14 An=994
n=?
Total terms are
An =a+(n-1)d
Putting the values me get
n = 64
Sum of no.
S=n/2(a+l)
a=112 l=994
S=64/2(112+994)
=32(1106)
=.35392
112,126,...................,994
a=112 d=126-112=14 An=994
n=?
Total terms are
An =a+(n-1)d
Putting the values me get
n = 64
Sum of no.
S=n/2(a+l)
a=112 l=994
S=64/2(112+994)
=32(1106)
=.35392
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