The nth term of an A.P., the sum of whose n terms is Sn, 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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The common difference of the A.P. \(\frac{1}{3}, \frac{{1  3b}}{3} , \frac{{1  6b}}{3}\) . . . . . . is
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3
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If 18, a, b  3 are in A.P. then a + b =
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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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5
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How many 2digit positive integers are divisible by 4 or 9?
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6
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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:
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7
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The sum of first n odd natural numbers in
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8
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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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9
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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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10
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The 4th and 7th term of an arithmetic progression are 11 and 4 respectively. What is the 15th term?
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