Skip to content
Philoid
Browse Saved
Back to chapter
Maths
9. Arithmetic Progressions
Home · Class 10 · Maths · Ref. Book · 9. Arithmetic Progressions
Prev
Next
Q17 of 202 Page 9

Find the sum of all even integers between 101 and 999.

a = 102, l = 998

n = = 449


S449= (a + l)


= (102 + 998)


= = 246950


More from this chapter

All 202 →
15

Find the sum of all integers between 84 and 719, which are multiples of 5.

16

Find the sum of all integers between 50 and 500, which are multiples of 7.

18

Find the sum of all integers between 100 and 550, which are multiples of 9.

19

In an A.P. if the first term is 22, the common difference is – 4 and the sum to n terms is 64, find n.

Questions · 202
9. Arithmetic Progressions
1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 1 2 2 2 2 2 3 3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 1 2 3 4 5 6 7 8 1 2 3 4 5 5 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved