The common difference of the A.P. \(\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}\) . . . . . . is
\(\frac{1}{3}\)
\( - \frac{1}{3}\)
-b
b
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1
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If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is
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2
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If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
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3
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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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4
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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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5
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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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6
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In an A.P., if d = -4, n = 7, an = 4, then a is
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7
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If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:
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8
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If 18, a, b - 3 are in A.P. then a + b =
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9
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What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?
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10
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In an A.P., if d = -4, n = 7, an = 4, then a is
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