The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, the number of terms in the sequence are:
9
10
11
12
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Sum of n terms of the series \(\sqrt 2 + \sqrt 8 + \sqrt {18} + \sqrt {32} + \) ....... is
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2
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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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3
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The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?
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4
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The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?
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5
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(1) + (1 + 1) + (1 + 1 + 1) + ....... + (1 + 1 + 1 + ...... n - 1 times) = ......
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6
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If the sum of n terms of an A.P. is 3n2 + 5n then which of its terms is 164 ?
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7
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For an A.P. if a25 - a20 = 45, then d equals to:
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8
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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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9
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If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =
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10
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If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :
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