The sum of first five multiples of 3 is:
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The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
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2
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The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
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3
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For an A.P. if a25 - a20 = 45, then d equals to:
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4
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The sum of the first four terms of an A.P. is 56. The sum of the last four terms is 112. If its first term is 11, the number of terms is
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5
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The number of terms of the A.P. 3, 7, 11, 15, ....... to be taken so that the sum is 406 is
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6
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If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?
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7
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Find the nth term of the following sequence :
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8
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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9
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If a, b, c are in A.P., then (a – c)2/ (b2 – ac) =
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10
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The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
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