Find The Value of Nth Term when Common Difference, Number of Terms and First Term are Given: To find the nth term we will use the formula for the nth term of an AP.
Example: Find the 10th term of the AP whose first term is 2 and the common difference is 6
Solution : Here, a= 2, d= 6 and n= 10,
We have
So,
Therefore , the 10th term of the given AP is 56.
Example: Rohan's father gave him a piggy bank with Rs 200 in it. Each day Rohan puts Rs 5 in it. What will be the amount in the piggy bank after 25 days.
Solution: a= Rs 200
d= Rs 5
n= 25
If the first four terms of an Ap are a, 2a, b, a -6 - b. Find 12th term | |||
Right Option : D | |||
View Explanation |
What is the value 6th term from the last in the AP 1, 8, 15, 22, ......., 2003 | |||
Right Option : C | |||
View Explanation |
Which term in the AP is 1,4,7, ..... is 61 | |||
Right Option : B | |||
View Explanation |
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