• 871 A boat travel with a speed of 10 km/hr in still water. If the speed of the stream is 3 km/hr then find time taken by boat to travel 52 km downstream. ›
• 872 A card is randomly drawn from a deck of 52 cards. What is the probability of getting a King or Queen? ›
• 873 A grocer buys some eggs at Tk. 3 each. He finds that 12 of them are broken, but he sells the others at Tk. 4 each and makes profit of Tk. 96. How many eggs did he buy? ›
• 874 A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, it takes 3 hrs more in upstream than in the downstream for the same distance. The distance is ›
• 875 A bag and a book costs BDT 1,100. If the bag costs 1,000 more than the book, how much does the book cost? ›
• 876 A book sells for TK. 65. This price gives the seller a profit 30% on his cost. What will bi the new selling price if he cuts his profit to 10% of the costs ? ? ›
• 877 A card is randomly drawn from a deck of 52 cards. What is the probability of getting an Ace or King or Queen? ›
• 878 A hall, 20m long and 15m broad, is surrounded by a verandah of uniform width of 2.5m. The cost of flooring the verandah at Tk. 3.50 per square meter is ›
• 879 A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook? ›
• 880 A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue? ›
• 881 A box contains 12 poles and 7 pieces of net. Each piece of net weighs 0.2gm, each pole weighs 1.1gm. The box and its contents together weigh 16.25gm. How much does the empty box weigh? ›
• 882 A certain number of men can finish a piece of work in 100 days. If there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally? ›
• 883 A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days? ›
• 884 A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be ›
• 885 A bag contains 2 red, 3 green, and 2 blue balls. If two balls are drawn at random, what is the probability that none of the balls drawn is blue? ›
• 886 A box contains 12 poles and 7 pieces of net. Each piece of net weights 0.2gm, each pole weighs 1.1gm. The box and its contents together weigh 16.25gm. How much does the empty box weigh? ›
• 887 A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway? ›
• 888 A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A’s speed is equal to: ›
• 889 A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag if at least one ball is to be included in the draw? ›
• 890 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 ›
• 891 A clock loses ( falls behind ) 10 minutes each day. How many days will take to reach a point where the clock will indicate the correct time ? ›
• 892 A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is ›
• 893 A bag contains 30 balls numbered 1 to 30. Two balls are drawn at random. What is the probability that the balls drawn contain a number which is multiple of 4 or 6 but not a multiple of both? ›
• 894 A box contains 200 pens of which 25% are red and the rest are black. You sold a certain number of pens, of which 60% were black. You found that among the remaining pens, only 20% are red. How many pens did you sell? ›
• 895 A clock strikes once at 1 o’clock, twice at 2 o’clock, thrice at 3 o’clock and so on. How many times will it strike in 24 hours? ›
• 896 A is two years older than B who is twice as old as C. If the total age of A, B and C is 27, then how old is B? ›
• 897 A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is: ›
• 898 A box contains 4 tennis ball, 6 season and 8 dues balls, 3 balls are randomly drawn from the box. What is the probability that the balls are different? ›
• 899 A company employs 15 persons working 44 hours a week . If 4 persons are ill, how many hours a week would the rest have to work to make up the time lost ? ›
• 900 A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B? ›