Q2. Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?

Q3. A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is

Q4. A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is

Q5. A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident

Q6. Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball is white

Q7. Sum of mode and median of the data

12, 15, 11, 13, 18, 11, 13, 12, 13

Q8. The arithmetic mean of a set of 10 numbers is 20. If each number is first multiplied by 2 and then increased by 5, then what is the mean of new numbers?

Q9. find out the median score from the following frequency distribution table:

Score : 0-10 10-20 20-30 30-40 40-50

Number of students : 4 3 5 6 7

Q10. A sample of college students was asked how much they spent monthly on a cell phone plan (to the nearest dollar). Find the Mode.

Q11. In Daya’s bag there are 3 books of History, 4 books of Science and 2 books of Maths. In how many ways can Daya arrange the books so that all the books of same subject are together?

Q12. Jasim travels from Islamabad to Kabul in 7 different ways. But he is allowed to return to Islamabad by any way except the one he used earlier. In how many ways can he complete his journey?

Q13. There are 35 people in a group. There are 12 school girls, 10 school boys, 5 senior citizens and 8 babies in the group. The organizer of the group wants to select a school girl or a school boy as leader of the group. In how many ways can he do so?

Q14. In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

Q15. There are four bus lines between A and B; and three bus lines between Band C.

The number of way a person round trip by bus from A to C by way of B will be

Q16. The number of diagonals that can be drawn

by joining the vertices of an octagon is

Side c measures 35 and side b measures 21. What is the length of side a?

What percentage of people either like action, romance or science fiction movies

best?

Given a cylinder with the radius of 2cm and the height of 7cm. Find the volume of this solid.

Calculate the volume of a cylinder where:

a) the area of the base is 30 cm 2 and the height is 6 cm.

b) the radius of the base is 14 cm and the height is 10 cm.