In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to added?
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Using the digits 1,5,2,8 four digit numbers are formed and the sum of all possible such numbers.
sir iam asking you assistant stastical officer previous question paper
A ship started from port and moving with 'I' miles/hour and other ship started From L and moving with 'H' miles/hour . At the place where these two ships will meet?
wind flows 160 miles in 330 min, for 80 miles how much time required.
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 company installed 36 punching machines at the begining of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
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Mr. Jaweri decided to walk down the escalator on the station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?
A says " the horse is not black". B says " the horse is either brown or grey." c says " the hoese is brown" At least one is telling truth and atleast one is lying. tell the colour of horse.
There are two natural numbers. A cube difference of the squares is a square difference of their cubes.These are the smallest possible numbers. what is the sum of these numbers?
1027.05 ? 314.005 + 112.25 = ? (a) 825.395 (b) 825.095 (c) 825.305 (d) 825.295 (e) None of these
The cost of 16 articles is equal to sell price of 12 articles. The gain percent is ?