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Answer Posted / sri6
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Mahesh and Ramesh are questioners. The time taken by Mahesh and make a question is double of that taken by Ramesh. If Mahesh made 3/2 questions less each minute and Ramesh made 3 questions less each minute, to make m questions, the time taken by Ramesh would be 2n minutes less than that taken by Mahesh. If Ramesh takes n minutes to make m questions, find the number of questions that Ramesh can make in a minute?
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 ?
There are 5 questions based on a murder story.the questions concentrate on the seating arrangements of people mentioned.
A job may be completed in 12 days, working for 8 hours a day if 20 men or 24 women or 40 boys perform the task. If a task four times as big as this is done for 5 hours a day for 12 days, how many men will be required to join 6 women and 2 boys to complete the task?
Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".
If the circumference of a circle is 100 units, Then what will the length of the arc described by an angle of 20 degree ?
a man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be?
The sum of the digits of a two digit number is 8. When 18 is added to the number, the digits are reversed. the number?
4 men can cross a bridge in 3,7,13, 17 minutes. Only two can cross the bridge at a time. The time taken by the two to cross the bridge is equal to the time taken by the slowest person of the two. Find the minimum time to all of them cross the bridge?
Conversation between two mathematicians: first : I have three children. The product of their ages is 36 .. If you sum their ages . it is exactly same as my neighbour's door number on my left. The second mathematician verifies the door number and says that the not sufficient . Then the first says " o.k one more clue is that my youngest is the youngest" Immediately the second mathematician answers . Can you answer the question asked by the first mathematician? What are the children ages?
a man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is?
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ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE?
Find the value of @@+25-++@1..., where @ denotes "square" and + denotes "square root".
A can do a work in 8 days, B can do a work in 7 days, C can do a work in 6 days. A works on the first day, B works on the second day and C on the third day rely. that is they work on alternate days. When will they finish the work.(which day will they finish the work) (7+7/168)
