In a game show there are 5 prize cards and 20 blank cards. A contestant is asked to choose a card at random. What is the probability that he won a prize?
If a coin with both heads is tossed, then the probability of obtaining a tail is
A phone company offers 5 phone plan options: call waiting, call forwarding, voice mail, conferencing, and caller ID. A customer can choose 3 options. The number of ways one can avail the plan options is:
An unbiased coin is tossed 5 times. If tail appears on first 4 tosses, then probability of tail appearing on the fifth toss is
A man earns 24,000 per month. He spends one-third of his income on personal expenditure. Half of the remaining income is invested in a scheme for 15% interest per annum. After investing half of the remaining income is invested in a scheme which gives 10% income per annum. The remaining lies in a bank where it earns an interest of 4% per annum. The effective rate of interest earned by the man on his investments by the end of the year is
Solve : v (9 – (3 + v(5 – v(3 + v169))))
Five students have not been absent for the entire first semester. They are asked to draw one pass each from a bag that has 5 movie passes and 5 meal passes. Parul and Mini are the first two students to draw the pass simultaneously. What is the probability that they both draw movie passes
8 friends A, B, C, D, E, F, G, H are to be seated around a round table. Find the probability that A and B never sit next to each other
A home security system provides a security codes for a door, which consist of five buttons. Code may be generated by pressing any one button, any two, any three, any four, or all five buttons. How many such codes are possible
Select the right option from the given alternatives. A17R : D12P :: G7N :
what is next in the number series 9, 54, 135, 252
Whats next P3M: N4J: R3P:
In a certain code, SKILLFUL is written as LTMJGMMV. How is STATED written in that code
A child while coming home from his school first goes 4 kms towards south-east, then 8 kms toward west. He then goes 4 kms towards north-west. In which direction is he from his school