There are six persons P, K, R, S, T and U sitting in a row facing north direction. R sits third to the left of P, who is adjacent to S. T sits to the immediate right of K. S is second from the right end. U is not adjacent to R. Who sits at the extreme left end?
R K T P S U
Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probabili...
A bag contains 4 white balls, 5pink balls and 3 black balls. 2 balls are drawn randomly. What is the probability that there are no black balls?
If a coin is tossed 10 times then what is the probability of getting three heads?
A bag contains 5 green gems and 7 orange gems. If 2 balls are drawn random, then what is the probability that at least 1 gem is orange.
Two hats are picked at random, what is the probability that all hats are of green colour?
Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?
The names of 6 students from section A, 8 students from section B and 10 students from section C were selected. The age of all the 24 students was diffe...
There are (m + 4) red roses, (m + 11) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/16, then find the valu...
In a factory which manufactures calculators, machines A, B and C manufacture respectively 25%, 35% and 40% of the calculators. Of their outputs, 5, 4 an...
A box contains 8 yellow marbles, ‘x’ blue marbles and 12 white marbles. A box contains 5 yellow marbles, 2 blue marbles and 3 white marbles. The pro...
