Question:
Complete the number series
10, 30, 68, 130, ________, 350
Complete the number series
10, 30, 68, 130, ________, 350
10, 30, 68, 130, ________, 350
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Each term has the form n3 + n.
Updated On: Nov 12, 2026
- 222
- 192
- 220
- 216
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The Correct Option is A
Solution and Explanation
Write each term as n3 + n:
10 = 23 + 2
30 = 33 + 3
68 = 43 + 4
130 = 53 + 5
The missing term is 63 + 6 = 216 + 6 = 222.
Check: the next term is 73 + 7 = 350, which matches the given last term.
Answer: (1) 222
10 = 23 + 2
30 = 33 + 3
68 = 43 + 4
130 = 53 + 5
The missing term is 63 + 6 = 216 + 6 = 222.
Check: the next term is 73 + 7 = 350, which matches the given last term.
Answer: (1) 222
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