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• 3991 A jar contains a mixture of oil and water in the ratio 22 : 3. 50 liters of the mixture was taken out and 25 liters of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in liters) in the jar? Math ›
• 3992 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? Math ›
• 3993 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? Math ›
• 3994 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 Math ›
• 3995 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: Math ›
• 3996 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? Math ›
• 3997 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 Math ›
• 3998 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? Math ›
• 3999 A gentleman should be true ___ his words. Math ›
• 4000 A garden of 100m length and 60mn width has a walkway of 2m width on every side. What is the area of the garden, in square meter, excluding the walkway? Math ›
• 4001 A garden of 100m length and 60m width has a walkway of 2m width on every side. What is the area of the garden, in square meter, excluding the walkway? Math ›
• 4002 A fruit seller had some apples. He sold 40% apples and still has 420 apples left. Originally he had: Math ›
• 4003 A football team is to be consisted out of 14 boys. In how many ways the team can be chosen so that the owner of the ball is always in the team? Math ›
• 4004 A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod. Find the number of balls. Math ›
• 4005 A customer came to a shop and asked the shop manager to give a 20% discount on the listed price of a pen. Moreover, for every 10 pens purchased, he wanted two pens free of cost. The manager agreed to the customer’s offer because he could still make a profit of 20% on the cost price of a pen. What was the listed price of the pen? Math ›
• 4006 A cricket team has won 40 games out of 60 played. It has 32 more games to play. How many of these must the team win to make it record 70% win for the season? Math ›
• 4007 A company makes a profit of 5% on its first TK. 1,000 of sales each day, and 4% on all sales in excess of TK. 1,000 for that day . What would be the profit of the company in a day when sales are TK. 6,000 ? Math ›
• 4008 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 ? Math ›
• 4009 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? Math ›
• 4010 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 ? Math ›
• 4011 A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway? Math ›
• 4012 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? Math ›
• 4013 A card is randomly drawn from a deck of 52 cards. What is the probability of getting an Ace or King or Queen? Math ›
• 4014 A card is randomly drawn from a deck of 52 cards. What is the probability of getting a King or Queen? Math ›
• 4015 A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together? Math ›
• 4016 A can do a job in 24 days, B in 9 days and C in 12 days. B and C together start the work but leave after 3 days. How much time was taken by A to complete the remaining work? Math ›
• 4017 A can complete a project in 20 days and B can complete the same project in 30 days. A and B start working on the project together and A quits 10 days before the project is expected to be completed. How many days in total will the project take to complete? Math ›
• 4018 A can complete a piece of work in 12 days A, B and C can complete the work in 6 days. Efficiency of B is 0.5 times the efficiency of A. In how many days C can complete the work alone? Math ›
• 4019 A bus picks up a group of tourists at a hotel. The sightseeing bus travels 2 blocks north, 2 blocks east. I block south, 2 blocks east, and 1 block south. Where is the bus in relation to the hotel? Math ›
• 4020 A box is make in the form of a cube. If a second cubical box has inside dimensions three times those of the box, how many times as much does the second box contain? Math ›