SureDen
To give sense to the probability approach, Schrodinger in1926 derived an equation known after his name as Schrodinger's wave equation. This equation is the ba
Heisenberg’s uncertainty principle- given by Warner Heisenberg
“It is impossible to meas
₳ ∞ ≠
Test Details
A determinant is chosen at random from the set of all dereminants of order 2 with elements 0 or 1 only. The probability that the value of the determinant chosen is negative, is
Test Details
Indian play matches each with West Indies and Australia. In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is
Test Details
A speaks the truth in 70% cases and B speaks the truth in 80% cases. The probability that they will contradict each other in describing a single event is
Test Details
A man is known to speak the truth 3 out if 4 times. He throws a die and reports that it is a six. The probability that it is actually a six is
Test Details
If a number of two digits is formed with the digits 2, 3, 5, 7, 9 without repetition of digits, then the probability that the number formed is 35 is
Test Details
If A and B are two events, the probability that exactly one of them occurs is given by
Test Details
Suppose n(≥3) persons are sitting in a row. Two of them are selected at random. The probability that they are not together is
Test Details
A natural number x is chosen at random from the first 100 natural numbers. The probability that x+100/x>50 is
Test Details
If a bag contains 4 tickets numbered 1, 2, 3, 4 and another bag contains 6 tickets numbered 2, 4, 6, 7, 8, 9. One bag is chosen and a ticket is drawn. The probability that the ticket bears the number 4 is
Test Details
A four finger number is formed of the figures 1, 2, 3, 5 with no repetitions. The probability that the number is divisible by 5 is
Test Details
Three natural numbers are taken at random from the set A={x : 1 ≤ x ≤ 100, x∈N. Then the probability that AM of the numbers taken is 25 is
Test Details
A student appears for test I, II and III. The student is successful, is he passes either in tests I and II or in tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2, then
Coming Soon...