If the sums of n terms of two arithmetic progressions are in the ratio \(\frac{{3n + 5}}{{5n + 7}}\) then their nth terms are in the ration
\(\frac{{3n - 1}}{{5n - 1}}\)
\(\frac{{3n + 1}}{{5n + 1}}\)
\(\frac{{5n + 1}}{{3n + 1}}\)
\(\frac{{5n - 1}}{{3n - 1}}\)
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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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2
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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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3
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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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4
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A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
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5
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The sum of first five multiples of 3 is:
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6
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What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
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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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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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9
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Which term of the A.P. 24, 21, 18, ............ is the first negative term?
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10
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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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