find the sum pf multiples of 6 lying between 300 and 600
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The multiples of 6 lying between 300 and 600 are in A.P
306,312,318,324,330............576,582,588,594
Here in this A.P
a = 306
d=6
l = 594
n=?
l = a+(n-1)d
594 = 306+(n-1)6
n-1 = 288/6
n = 49
S49 = 49/2(306+594)
= (49 × 900)/2
= 8091
Therefore the sum is 8091.
hope this helped to you.....
306,312,318,324,330............576,582,588,594
Here in this A.P
a = 306
d=6
l = 594
n=?
l = a+(n-1)d
594 = 306+(n-1)6
n-1 = 288/6
n = 49
S49 = 49/2(306+594)
= (49 × 900)/2
= 8091
Therefore the sum is 8091.
hope this helped to you.....
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