Question
12 Marbles and 12 balls are kept in a box. If 4 items
are chosen at random, Find the probability that 2 is a marble and another 2 is ballSolution
Total probability = 12C4 = 495 Probability that 2 is marble and another 2 is ball = 12C2 × 12C2 = 4356 probability = 495/4356 = 55/484
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 3000
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Anil and Ashish receive Rs.1500 for work of 6 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Choose the number which is different from the group.
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'M' is the largest three-digit number that leaves 3 as a remainder when divided by 9, 12 and 5, Find the sum of digits of 'M'.
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