| 1. | What is 15th term of the sequence defined by Ax = [x ( x - 3 )] / ( x + 3) |
| a. | | 10 |
| b. | | 150 |
| c. | | 50 |
| d. | | 55/3
|
|
|
|
|
|
|
| 2. | Find the 15th term in the following arithmetic progression 9, 12, 15, 18,... |
| a. | | 54 |
| b. | | 51 |
| c. | | 63 |
| d. | | 60
|
|
|
|
|
|
|
| 3. | Which term of the sequence -1, 1, 3, 5, 7, 9, ….. is 109? |
| a. | | 53 |
| b. | | 56 |
| c. | | 54 |
| d. | | 52
|
|
|
|
|
|
|
| 4. | Determine the total number of terms in the sequence 4, 8, 12, 16, ……., 112 ? |
| a. | | 29 |
| b. | | 27 |
| c. | | 30 |
| d. | | 28
|
|
|
|
|
|
|
| 5. | Find the sum of first 20 terms of an A.P. whose second term is 6 and the seventh term is 31. |
| a. | | 896 |
| b. | | 891 |
| c. | | 970 |
| d. | | 950
|
|
|
|
|
|
|
| 6. | Compute the 20th term of the sequence defined by: An = (n2 -1) / (n + 1) |
| a. | | 119 |
| b. | | 19 |
| c. | | 133 |
| d. | | 399
|
|
|
|
|
|
|
| 7. | Given the first term of an A.P. is -4 and the common difference is 6. Find its 11th term. |
| a. | | 56 |
| b. | | 60 |
| c. | | 64 |
| d. | | 68
|
|
|
|
|
|
|
| 8. | How many terms are there in the sequence 9, 18, 27, 36, ……., 999? |
| a. | | 110 |
| b. | | 100 |
| c. | | 101 |
| d. | | 111
|
|
|
|
|
|
|
| 9. | Find the sum of 51 terms of the A.P. 3, 1, -1, -3, -5, ….. |
| a. | | -2395 |
| b. | | -2397 |
| c. | | -2441 |
| d. | | -2413
|
|
|
|
|
|
|
| 10. | How many three digit numbers are divisible by 3? |
| a. | | 322 |
| b. | | 312 |
| c. | | 300 |
| d. | | 302
|
|
|
|
|
|
|
| 11. | Find the common difference in an A.P. sequence defined by (n - 7)? |
| a. | | -1 |
| b. | | 1 |
| c. | | -6 |
| d. | | 6
|
|
|
|
|
|
|
| 12. | Find the sum of the series: .5 + .51 +.52 + …….. to 50 terms |
| a. | | 37.25 |
| b. | | 37.52 |
| c. | | 37.55 |
| d. | | 37.51
|
|
|
|
|
|
|
| 13. | The 12th term of an A.P. is 28 and the 21st term is 55. Find the 91st term. |
| a. | | 333 |
| b. | | 268 |
| c. | | 265 |
| d. | | 336
|
|
|
|
|
|
|