18. Find the missing number in series given below:2, 3, 4, 9, 3, 4, 5, 12, 4, 5, 6, 15, 2, ?, 7, 18
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28. Find the sum of infinite terms of the geometric series+16-48+144-432+... #tnpscmaths
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23. Find out the next number in the following: 5, 11, 23, 47, 95, __?__ #maths #mathsnettamil
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21. The 16th term and 26th term of an A.P. are 65 and 105 respectively then the sum of first
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34. The next number in the following sequences:0, 6, 24, 60, 120, 210,? #mathsnet #tnpsc #exam
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