DIRECTIONS : In each of the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space.
| 6. | 1, 4, 9, 16, 25,. . | ||
|---|---|---|---|
| A. 35 C. 48 | B. 36 D. 49 | ||
| Ans : B. The numbers are 1², 2², 3², 4², 5² . . | |||
| 7. | 20, 19, 17, . . 10, 5 | ||
|---|---|---|---|
| A. 12 C. 14 | B. 13 D. 15 | ||
| Ans : C.The pattern is - 1,- 2 missing number=17 - 3= 14. | |||
| 8. | 2, 3, 5, 7, 11, . . 17 | ||
|---|---|---|---|
| A. 12 C. 14 | B. 13 D. 15 | ||
| Ans : B. The series consists of prime numbers starting from 2. | |||
| 9. | 1, 2, 5, 12, 27, 58, 121 ? | ||
|---|---|---|---|
| A. 246 C. 248 | B. 247 D. 249 | ||
| Ans : C. The pattern is x 2 + 0, x 2 + 2, x 2 + 3 . . . Therefore the missing number is 121 x 2 + 6 = 248. | |||
| 10. | 0.5, 0.55, 0.65, 0.8,.. | ||
|---|---|---|---|
| A. 0.9 C. 1 | B. 0.82 D. 0.95 | ||
| Ans : C. The pattern is + 0.05, 0.10, 0.15, . | |||
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