Find Sum of N Terms When A.P. and Last Term is Given
Find Sum of N Terms When A.P. and Last Term is Given
Sum of N Terms When First Term, Last Term is Given: The sum can be found by using the formula.
For using this formula we will first find the number of terms
Example : Find the sum for the given A.P. 34+ 32+ 30+....+10
Solution: Here, the last term is given. We will first have to find the number of terms.
Using We have
Find the sum : | |||
| Right Option : A | |||
| View Explanation | |||
If the first term, the last term and the sum of all the terms of an AP are 14, 62 and 646 respectively the number or terms in the AP is | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following values is the sum of the AP 1, 3, 5, ........197? | |||
| Right Option : A | |||
| View Explanation | |||
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