Can you tender a one rupee note in such a manner that there shall be total 50 coins but none of them would be 2 paise coins.?
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Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.
In the reading room of a library, there are 10 tables, 4 chairs per table. In each table there are different numbers of people seated. How many ways they will sit in the library so that no chair would be blank? plz explain how can this quetions can b solved???
What is the probability of getting a sum 9 from two throws of a dice?
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row are asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
205 of 6 liter solution and 60% of 4 liter solution is mixed What percentage of the mixture of solution
In a survey, 20% of a town has a car, and 10% have a bike. 1/3rd of the car owners also own a bike. What proportion of the town does not own either a car or a bike?
It's 2PM on a sunny Sunday afternoon in the Bay Area. You're minutes from the Pacific Ocean, redwood forest hiking trails and world class cultural attractions. What do you do?
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f(X)=4f(X-1) THEN VALUE OF X=
Why 3 comes after 2 And 2 comes after 1 ?
there was a swimming pool of squre shape and it is having four trees at four ends....how to double the size of swimming pool without cutting the trees...?
Mr. Beans visited a magic shop and bought some magical marbles of different colours along with other magical items. While returning home whenever he saw a coloured light, he took out marbles of similar colours and counted them. So he counted the pink coloured marbles and found that he has bought 25 of them. Then he counted 14 green marbles and then 21 yellow marbles. He later counted 30 purple coloured marbles with him. But when he reached a crossing, he looked at a red light and started counting red marbles and found that he had bought 23 Red marbles. As soon as he finished counting, it started raining heavily and by the time he reached home he was drenched. After reaching home he found that the red, green and yellow marbles had magically changed colours and became white, while other marbles were unchanged. It will take 1 day to regain its colours, but he needs to give atleast one pair of marbles to his wife now. So how many white marbles must be choose and give to his wife so as to ensure that there is atleast one pair of red, yellow and green marbles ?
In an examination 30% of the students failed in Maths, 40% failed in Science and 25% failed in both the subjects. If 220 passed in both the subjects. Find the number of students appeared in the examination ?