Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately. Then the tank will be full in:
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There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired, it would be filled in 3 ? hours. It now takes half an hour longer. If the cistern is full, how long will the leak take to empty the cistern? (a) 24 hours (b) 28 hours (c) 21 hours (d) 27 hours (e) None of these
in a class, 20 opted for physics,17for maths,5for both and 10 for other subjects.the class contains how many students ?
Find the next series: SE QU EN TI ?
Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".
A policeman buys some bunches of yellow bananas at 30 cents per bunch and red bananas 40 cents/bunch .He said if i have split the sum equally and bought bananas he would have got two more bunches find the amount he used it to buy bananas
three students appear in a test but no one write there name on answer sheet .and they submitted their sheet to teacher . when teacher distributed their answer sheet . what is probability that no one get their own answer sheet.
a boat travels upstream 20km in 6 hrs and 18 km downstream in 4hrs find the speed of boat in still water a.1/2kmph b. 7/12kmph c.5kmph d.none of these
I make a folder in my comp. system. It having number of file (word, excel, p.point etc) how can protect complete folder.
B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?
Mr. Sohan works for Azania Company. The company grants 1000 shares to Mr. Sohan in 2008. At that point each share is worth Rs. 100. In 2010, he decides to sell his entire stake and at that point, the value is Rs. 120 per share. The government declares that the tax to be paid is 10% of the entire profit. Due to the inflation, the value of a rupee in 2010 is equivalent to 0.8 of a rupee in 2008. In this situation, which of the following model indicates the actual tax to be paid by the investor?
if length of a rectangle is increased by 20% and width is decreased by 20% the area will be
(a)A square is to circle as cube is to (b)Success is to failure as joy is to