Question
If 4 cards fall out while shuffling a deck of 52 cards,
what is the probability that all of them are aces?1. 1/ 52 C 4 2. 4/ 52 C 4 3. 2/ 52 C 4 4. 1/ 48 C 4 5. 1/ 52 C 2Solution
There are 4 Aces in a deck of 52 cards, one ace per suit.
Probability that 4 Aces fall out =Â 4 C 4 / 52 C 4 Â = 1/ 52 C 4
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 3000
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.
- Ten values are listed such that the average of the first three numbers is 10, and the last five numbers have an average of 28. If the fourth and fifth valu...
Four numbers P, Q, R, S satisfy: Q is 25% less than P, Q:R = 9:10, and R:S = 5:8. If the average of P, Q, R, S is 94, find (S – P).
Four friends are jogging on a circular track starting from the same point. Their strides are 48 cm, 54 cm, and 72 cm respectively. What is the least dis...
- What is the largest value of 'k' that makes the number '415k27' divisible by 3?
- The number of marbles with Amit and Rahul is 14 more than with Kabir. Rahul and Kabir together have 4 more marbles than Amit. If Amit and Kabir together ha...
A number when divided by 315 leaves remainder 46 and the value of quotient is 7. Find the number.
What is the average of first 32 multiples of 3.2?
Subtracting 30 from 14 times a number gives a result which is 50 more than 9 times the number. What is the number?
Relevant for Exams:
