Related Questions

A class of 50 girls and 60 boys sponsored a football game . If 52% of the girls and 30% of the boys attended the game, what percentage of the class went to the game?
A 44%
B 55%
C 40%
D 35%
Answer the questions on the basis of the information given below. Four sisters---Jahera, Sabera, Firoza, and Tahera are playing a game such that the loser doubles the money of each of the other players from her share. They played four games and each sister lost one game in alphabetical order. At the end of fourth game, each sister had TK. 32. With how much taka did Jahera start?
A Tk. 60
B Tk. 34
C Tk. 66
D Tk. 28
A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because
A The batsman did not hit the ball hard enough
B Velocity is proportional to the force exerted on the ball
C There is a force on the ball opposing the motion
D There is no unbalanced force on the ball, so the ball would try to come to rest
A ball and a bat costs 110 taka. The bat costs 100 taka more than the ball. How much does the ball cost ?
A 5
B 10
C 15
D 100
A box contains 21 balls numbered 1 to 21 . A ball numbered 1 to 21 . A ball is drawn and then another ball is brawn without replacement . What is the probability that both balls are even numbered?
A 2/7
B 3/14
C 8/21
D 5/21
A bag contains 7 red, 9 yellow and 3 black balls. If a ball is picked at random, what is the probability that the ball drawn will be either a red of a black ball.
A 7/19
B 9/19
C 10/19
D 11/19
A sport goods store ordered an equal number of white and yellow tennis balls. The tennis ball company delivered 30 extra tennis ball, making the ratio of white balls to yellow balls 6:5, How many tennis ball did the sport goods store originally order?
A 150
B 180
C 300
D 330
At a stationary shop, it costs Tk. 185 for 4 gel-pen, 8 ball -point pens and 1 marker pen and Tk. 315 for 7 gel-pens, 15 ball point pens and 1 marker pen. What would be the cost of 1 gel-pen, 1 ball -point pen and 1 marker pen?
A Tk. 45
B Tk. 55
C Tk.60
D Tk.70
A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is
A 0.25
B 0.50
C 0.75
D 1.0
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is
A 0.25
B 0.33
C 0.40
D 0.50

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