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In a public bathroom there are n taps 1,2,3...n. Tap1 and Tap2 take equal time to fill the tank while Tap3 takes half the time taken by Tap2 and Tap4 takes half the time taken by Tap3. Similarly each next number of tap takes half the time taken by previous number of Tap i.e, K-th Tap takes half the time taken by (K-1)th Tap.If the 10th tap takes 2 hours to fill the tank alone then what is the ratio of efficiency of 8th tap and 12th tap, respectively?
Given below are two quantities named A and B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity A: A person who travels a certain distance to his office by his car.If he increases his speed by 8 km/hr, he takes 2 hours less time but if he drives 8 km/hr slower, he takes 4 hours more time. Find the distance of office from home. Quantity B: A person who travels a certain distance to his office by his car. If he increases his speed by 10 km/hr, he takes 1 hour less time but if he further increases his speed by 5 km/hr, he takes further 20 minutes lesser time. Find the distance of office from home.
Which of the following are the drawbacks of acceptance sampling? (i) Acceptance sampling is less expensive. (ii) Acceptance sampling has the risk of accepting good lots and rejecting bad lots. (iii) Acceptance sampling requires planning and documentation of the acceptance-sampling procedure whereas 100% inspection does not. (iv) Acceptance sampling requires less manpower.
Mr. Alfred buys two lots mangoes. the first lot costs him TK.300 per dozen and the second TK. 500 per dozen. He sold all the mangoes at TK. 400 per dozen. Find his profit/loss percentage if he spent the same amount of money on each of the lots.
Why are larger lots preferred over smaller lots in the case of acceptance sampling?
A man draws water from tap A and tap B to fill a bucket. One day, he noticed that tap A takes 8 minutes more time than what A and B together takes to fill the bucket and B takes \(4\frac{1}{2}\) minutes more time than what A and B together takes. In what time A and B can fill the bucket while working alone?
Abeer has 14 novels. Abeer’s friend Sanjay takes 3 of them and gives 2 novels to Abeer. Abeer donates 7 novels but buys 4. Joy takes 4 novels from Abeer and gives him 5. Abeer takes one novel from Sanjay and gives it to Joy in exchange for 3 more. Abeer gives those 3 novels to Sanjay and he gives Abeer a novel and a magazine. Rahul takes the magazine which Sanjay gave to Abeer and gives Abeer a textbook. Abeer gives the textbook to Joy in exchange for a novel. Rahul takes the novel from Sanjay, gives it to Joy for a magazine and gives Abeer the magazine for a novel. How many textbooks does Abeer have?
Four friends A, B, C and D need to cross a bridge in the night. A maximum of 2 people can cross at a time. They have only one lamp. A takes one minute to cross the bridge. B takes 2 minutes, C takes 8 minutes and D takes 11 minutes to cross the bridge respectively. A pair must walk together at the speed of the person who walks slowly. What is the minimum time required to cross the bridge by all four people? 
There are six persons namely A, B, C, D, E and F. They all take leave from office on any one day of the week starting from Monday to Saturday. Only one person takes leave on one day. C is the first person to take a leave. Three persons take leave between D and C. F takes leave just after D. E takes leave on Wednesday. B takes a leave after A. Who takes a leave on Thursday?
In a five day week at a school with the first day as Monday, 5 professors – Q, R, T, S and U take classes not necessarily in the same order. Q takes class in the middle of the week, U takes class on the last day. S takes class neither just before Q nor just after Q. T takes class just after S. When does R takes class?