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Three independent mechanisms A, B and C have been incorporated for power saving in a plant producing respectively 30%, 40% and 10% efficiency. Assuming that they operate independently, what is the net power efficiency achieved
One person meet his friend on 12:30 then on 1:20 on second day, on third day -----?
How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width
A person has Rs 100/- in his pocket, he can as 25 pencils or 15 books. He kept 15% of the money for travelling expenses and purchased 5 pencils. So how many books he can purchase with the remaining money.
George while driving along the highway saw road markers which are at equal distances from each other. He crosses the markers every 20 seconds. If he increases his speed by x meters per second, he crosses the markers at every 15 seconds. But if he increases his speed by y meters per second, he crosses the marker at every 10th second. If y-x = 40 meters per second, then what is the distance between two markers.
There are 8 stamps, 4 Red and 4 Green. There are three logicians also. One moderator sticks thow stamps each on the forhead of each logician such that each of them can see all the stamps except those on his forhead and the two in moderator's pocket. Then the moderator asked each whether he knows the colors of the stamps he wears? Then the answeres were: A: "No" B: "No" C: "No" A: "No" B: "Yes" What were the colours of the stamps that B wears?
A Lorry starts from Banglore to Mysore At 6.00 a.m, 7.00 a.m, 8.00 a.m.....10 p.m. Similarly another Lorry on another side starts from Mysore to Banglore at 6.00 a.m, 7.00 a.m, 8.00 a.m.....10.00 p.m. A Lorry takes 9 hours to travel from Banglore to Mysore and vice versa.?
Average of 5 number is -10 sum of 3 numbers is 16,what is the average of other two numbers?
If shalu buys 6 more apples, his carton will weigh 14.5 kilograms.if the weight of one apple is 250 grams.how many apples did he initially had in his carton?
A speedboat whose speed is 15 kmph in still water goes 30 kmph downstream and comes back in a total of 4hrs 30min. What is the speed of the stream in kmph?
A question on "set" theory.it was given that less than 30 persons in class.
a father is 30 times more than his son however he will be only thrice as old as the son what is father's present age ?
If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Find the memory required for this?
Find the Series number: 2,5,9,19,37,..
5) Write a program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.