Two semicircles are drawn in a square as shown. Ifwe put a dot in the figure,without looking into it, what is the probability of being the dot in the shaded region?

In the figure all the four shaded semicircles have same area. If we put a dot in the figure without looking into it, what is the probability of being the dot in the shaded semicircles?

P,Q,R are the mid points of the sides of triangle ABC. Another triangle is drawn by joining these points. A One dot is placed into the figure without looking into the picture. What is the probability of falling the dot in triangle PQR. What is the probability of falling the dot outside the triangle.

One is asked to say a two-digit number What is the probability of it being a perfect square?

A box contains same size of 27 cards: Of these some are green and some are yellow A card is taken from the box, without looking into ịt, if the probability of the card become green is 1/3 a) What is the number of green cards? b) If a green card and 2 yellow cards are put in the box and a card is taken without looking into it What is the probability of it being green?

The letters of the word MALAYALAM are written in paper slips and put into a box A child is asked to take one slip from the box without looking a) What is the probability of getting the letter A? b) What is the probability of not getting A?

Numbers from 1 to 10 are written in small papers and placed in á box A paper is taken at random, without looking a) What is the probability of getting a prime number? b) Being an odd number

In a circle of radius 2 a square is inscribed as shown in the figure. Using intergration, find the area of the shaded region (Area of a square may be calculated using any convinent method ).

An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black?

A box contains 10 black beads and 15 white beads Another box contains 11 black beads and 17 white beads Without looking, a bead is drawn from each box i) What is the probability of getting a black bead from the first box? ii) What is the probability of getting a black bead from the second box? iii) Which box give more chance to get a white bead Why?