Sum of N Terms When First Term, Last Term and Number of Terms are Given
Sum of N Terms When First Term, Last Term and Number of Terms are Given
Sum of All Terms When First Term, Last Term and Number of Terms is Given: The sum can be found by using the formula.
For Example: Find the sum of an AP. whose first term is 30, the last term is 51 and the number of term is 8
a= 30
l= 51
n= 8
Find the sum of the series: 7 + 15 + 23 + 31 + 39 + 47 + ……….. + 255 | |||
| Right Option : C | |||
| View Explanation | |||
If the last term, the number of terms and the sum of all the terms of an AP are 68, 20 and 790 respectively, its first term is ___________ | |||
| Right Option : A | |||
| View Explanation | |||
If the first term, the last term and the sum of all the terms of an AP are 12, 160 and 3268 respectively, the number of terms in the AP is | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
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Om Umang
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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