ATQ, Number of ways to choose the first letter (consonant) = 21C1 = 21 Number of ways to choose the second letter (Different consonant) = 20C1 = 20 Number of ways to choose the third letter (vowel) = 5C1 = 5 Hence total number of ways = 21 × 20 × 5 = 2100 ways
1 2 9 ? 65 126
...632, 560, 494, 434, ?, 332
3 5 ? 75 1125 84375
...217 267 304 330 348 357
...Direction: Which of the following will replace ‘?’ in the given question?
5, 18, ‘?’, 126, 296, 586, 1044
2187, 1458, 972, ?, 432, 288
2, 17, 147, 1167, 8157, 48957
25 34 61 106 169 ?
...Direction: Which of the following will replace ‘?’ in the given question?
10, 12, ‘?’, 27, 36, 45, 54, 63, 72
32 63 121 ? 453 889
...
