If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is
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If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be
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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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Which term of the A.P. 92, 88, 84, 80, ...... is 0?
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4
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How many 2digit positive integers are divisible by 4 or 9?
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5
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If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :
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6
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What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is 1 and the 8th term is 19?
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7
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Find the 15th term of the sequence 20, 15, 10 . . . . .
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8
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After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. Find the total distance that it travels before coming to rest if it has been gently dropped from a height of 120 metres.
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The 2^{nd} and 8^{th} term of an arithmetic progression are 17 and 1 respectively. What is the 14^{th} term?
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Find the nth term of the following sequence :
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