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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE
- Find the sum of n terms of the following series : 7+77+777 +......
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- Find the sum of n terms of the following series : 5+11+19+29+41+ ......
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- Find the sum of first n terms of the series. 3+7 + 13 + 21 + 31 + ……...
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- Find the sum of n terms of the series whose nth term is : 2^(n-1)-1.
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- Find the sum of n terms of the series whose nth term is : 2^(n+1)+4(...
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- Write the first six terms of the following sequence : a(1)=a(2)=1, a(n...
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- Which term of the progression 19 , 18 1/5, 17 2/5, ......... is the fi...
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- Each term of an A.P. is doubled. Is the resulting sequence also an A.P...
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- In an A.P., the mth term is 1/n and the nth term is 1/m, find the (mn)...
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- If a, b, c are in A.P., then prove that : (a-c)^2 =4(b^2 -ac).
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- Show that the sequence : log a, log (ab), log (ab^2), log (ab^3),........
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- How many number of two digits are divisible by 7 ?
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- If Sn denotes the sum of n terms of an A.P. whose first term is a, and...
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- If S(1),S(2),S(3),"....",S(p) are the sums of n terms of p AP's whose ...
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- If the sum of m terms of an AP is equal to the sum of either the next ...
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- If the sum of first p terms of an A.P. is equal to the sum of the firs...
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- The first term of an A.P. is a, the second term is b and last term is ...
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- Find the sum of all numbers in the first 1000 integers, which are neit...
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- A man gets an appointment with two options Either he can accept ₹ 45 p...
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- A farmer, buys a used tractor for Rs.. 12000. He pays Rs.6000 cash and...
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