how many multiple of 4 lie between 10 and 250 ?also find their sum
Answers
Answered by
3
Step-by-step explanation:
Answer
a + (n – 1)d =248
12 + (n – 1)4 = 248
12 + 4n – 4 = 248
12 + 4n – 4 – 248 = 0
4n – 240 = 0
4n = 240
Answered by
2
Step-by-step explanation:
a + (n – 1)d =248
12 + (n – 1)4 = 248
12 + 4n – 4 = 248
12 + 4n – 4 – 248 = 0
4n – 240 = 0
4n = 240
n = 60
Hence
there are 60 multiples of 4 between 10 and 250. Their sum is 7800
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