Question

how many numbers exactly divisible by 5 are there between 3 and 303 find their sum​

Answer 1

Answer:

60

Step-by-step explanation:

coutn all no.divisible by 5

starting with 5 till 300

or

short cut divide 300 by 5

hope it helps

Answer 2

Answer:

a = 5

d =5

l=300

so Ath term will be

l = a +(n - 1) d

300 = 5+(n - 1)5

n =60

then sum be S of 30 numbers then answer will be :

Sn = n/2(2a + (n - 1)d ). {equate value}

S30= 60/2(2×5+(60 -1)5). {solve this...

S30 = 9150

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army here