Question
The difference between the 7th and 2nd term of an Arithmetical Progression is 20 and its third term is ‘9’. Then find the total number of terms in the series if sum of series is 120.
More Arithmetic Progression Questions
- The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:
- The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
- Find the third proportion of 16 and 24.
- The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
- The area of a square is 900 cm2 which is 120 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length of the rectangle is 10 cm...
- The 4th term of an AP is 17 and the 9th term is 42. Find the sum of the first 20 terms.
- A total of Rs. 558 was distributed among P, Q, R, S, T, and U. The amounts they received were in descending order and formed an arithmetic progression. S r...
- Two different alloys contain steel and aluminum in the ratios of 11:4 and 2:13, respectively. In what proportion should these two alloys be combined to ach...
- If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true? a. p is a perfect cube b. p is a mult...
- The sum of three numbers in AP is 21, and their product is 315. Find the numbers.
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