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ARIHANT SSC-SEQUENCE, SERIES & PROGRESSIONS-INTRODUCTORY EXERCISE 18.1
- How many terms are there in the A.P. whose first and fifth terms are ...
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- The first and last terms of an A.P. are - 7 and 233 and the sum of the...
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- The sum of three numbers in A.P. is 12 and the sum of their cubes is 4...
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- The series of natural numbers is written as follows: {:(,,1,,),(,2,3...
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- If you save Rs. 1 today, Rs. 2 the next day, Rs. 3 the succeeding day ...
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- The ratio of the 7th to the 3rd terms of an A.P. is 12:5, find the rat...
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- Find the sum of the first hundred even natural numbers divisible by 5:
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- If m times the mth term of an A.P. is equal to n times its nth term, f...
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- The sum of the first fifteen terms of an A.P. is 105 and the sum of th...
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- If the first term of an A.P. is 2 and the sum of first five terms is ...
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- The sum of the first six terms of an A.P. is 42. The ratio of the 10th...
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- The sum of n terms of two arithmetic series are in the ratio of (7n + ...
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- The sum of three numbers in A.P. is 15 and sum of their squares is 93....
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- If the nth term of an A.P. is 4n-1 , find the 30th term and the sum of...
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- The sum of n terms of a series is 3n^2 + 5n. Find the value of n if nt...
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- Find the number of terms of the A.P. 98,91,84,…must be taken to give a...
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- What is the greatest possible sum of the A.P. 17,14,11,…
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- What is the least possible sum of the A.P. -23,-19 , -15 , … :
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- Find the sum of all odd numbers of four digits which are divisible by ...
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- If a,b,c be the pth , qth and rth terms of an A.P., then p(b-c) + q(c-...
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