The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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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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2
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Find the nth term of the following sequence :
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3
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The two geometric means between the number 1 and 64 are
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4
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What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?
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5
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The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}} \frac{{1 - 12b}}{{2b}}\) . . . . . is
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6
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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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7
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The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
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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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9
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If 18, a, b - 3 are in A.P. then a + b =
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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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