Question
You have a standard deck of 52 playing cards. What is
the probability of drawing a red card (heart or diamond) from the deck?Solution
There are 26 red cards in a standard deck (13 hearts + 13 diamonds), and a total of 52 cards. Therefore, the probability of drawing a red card is: Probability = (Number of favorable outcomes) / (Total number of outcomes) Probability = 26 / 52 Probability = 0.5 or 50%
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
Team A can built a project in 4 hours less than the time taken by Team B to built the same project.
The ratio of the strength of Team A to that o...
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‘F’ is 66.67% more efficient than ‘G’. ‘G’ worked alone for 10 days, and then ‘F’ completed the rest of the work. If the entire job was ...
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Rahul can complete a work in 12 days and Ayush in 15 days. If they work together for 3 days, then the fraction of work that will be left is:
‘M’ and ‘N’ together can do a work in 20 days. If ‘M’ increases his efficiency by 25% while ‘N’ decreases his efficiency by 50%, then t...
Karan is five times as efficient as Varun and twice as efficient as Arjun. If Varun takes 30 days to finish some work, then find the time taken by Karan...
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