Question
Find the probability of selecting a heart or a diamond card
from a well shuffled deck.Solution
Total number of cards in a deck = 52
There are 13 Hearts and 13 Diamonds in a deck.
So, total number of heart or diamond cards = 13 + 13 = 26
So, the required probability = (26/52) = (1/2)
38, 41, 50, ?, 158, 401Â
15.975 ×27.825 + (76.01)² + 12.98×18.426 = ?+ (79.09)²
Find the missing term in the series:
2, 7, 22, 67, 202, ?
13    13      26       ?      832       13312
...100, 120, 260, ?, 3220, 16120
0, 6, 24, ?, 120, 210
What will come in place of the question mark (?) in the following series?
50, 70, 110, 190, 310, ?
8      27       64      125     ?       343Â
...- What will come in place of (?) in the given number series.
3, 9, 15, 21, ?, 33 What value should come in the place of (?) in the following number series?
?, 664, 706, 769, 853, 958