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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
- For what value of n the n^(t h) terms of the following two A.Ps the s...
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- How many terms are there in the sequence 3,6,9, 12 ,.......... 111 ?
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- Find the middle term of the A.P. 6, 13 , 20 , ...... 216.
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- Show that the sequence 9,12,15,18,... is an A.P. Find its 16th term...
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- Which term of the sequence -1,3,7, 11 , ... is 95 ?
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- Write the sequence with nth terms: (i)an=3+4n (ii) an=5+2n (iii)an=6-...
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- Then n^(t h) term of an A.P. is 6n+2. Find the common difference.
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- Show that the sequence defined by an=5n-7 is an A.P., find its common...
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- Show that the sequence defined by an=3n^2-5 is not an A.P.
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- Find the 10th term from the end of the A.P. 8,10,12, ... 126.
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- The 19th term of an A.P. is equal to three times its 9th term.If its...
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- If the 5th term of an A.P. is 31 and 25th term is 140 more than the...
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- The first and last term of an A.P. are a and l respectively. If S is...
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- Find the number of all three digit natural numbers which are divisible...
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- If the seventh term of an AP is 1/9 and its ninth term is 1/7, find it...
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- The 24th term of an A.P. is twice its 10th term. Show that its 72th...
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- If 2x ,x+10 ,3x+2 are in A.P., find the value of xdot
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- If the numbers a , b , c , d , e form an A.P. , then find the value of...
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- The 9th term of an A.P. is equal to 6 times its second term. If its...
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- The sum of 5th and 9th term of an A.P. is 72 and the sum of 7th and...
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