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During a given week an author spends 1/4 of his time preparing first drafts, 3/8 of his time editing the drafts and the rest of the time in preparing final drafts. If he works 48 hours during the week, how many hours did he spend in preparing final drafts?
solution of system of equations y-z=0,x+8y=4,3x+4y=7z is
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train?
In a party man & his wife ,and there r 2 son with their wives, and every son has 4 children in his family .how manyperson r in party.
In the word ORGANISATIONAL, if the first and second, third and forth, fifth and sixth words are interchanged up to the last letter, what would be the tenth letter from right?
If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actual velocity the car reaches B 45min later to the actual time. If the car engine fails after travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km
If P=Total number of components, Q = number of defective components .What is the % of non defective components?
There are five thieves, each loot a bakery one after the other such that the first one takes 1/2 of the total no. of the breads plus 1/2 of a bread. Similarly 2nd, 3rd,4th and 5fth also did the same. After the fifth one no. of breads remained are 3. Initially how many breads were there?
A person has his own coach&whenever he goes to railway station he takes his coach.One day he was supposed to reach the railway station at 5 O'clock.But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to the railway station. He thought that the coach has left just now to the railway station.He thought that he should not waste his time and started moving towards his residence at the speed of 3mi/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
The ratio for Boys to Girls is 6:4. 60% of the boys and 40% of girls take lunch in the canteen. What % of class takes lunch in canteen.
In the 4 digits 1,2,3,4 how many 4 digited numbers are possible which are divisable by 4? Repetetions are allowed
the difference b/w the compound interest payble half yearly and the simple interest on a certain sum cont out at 10% p.a for 1 year is Rs 25 what is the sum
Olympic race : 4 contestants : Alan,charlie, Darren ,Brain. There are two races and average is taken to decide the winner.one person comes at the same position in both the race. Charlie always come before darren. Brian comes first once. Alan comes third at least once. Find the positions. Alan never comes last. Charlie & darren comes 2nd at least once.
A chain is broken into three pieces of equal lenths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?
If two pencils cost 8 cents, then how much do 5 pencils cost?