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Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?
vernanlar : place :: finger print : ?
4i+8j+10k. something like this.
Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
sir plz send the rrb exam question papers my emailid is abhilasha.bollepalli@gmail.com
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?
A bus started from bus stand at 8.00a m and after 30 min staying at destination, it returned back to the bus stand. The destination is 27 miles from the bus stand. The speed of the bus 50 percent fast speed. At what time it retur4ns to the bus stand
he hour hand lies between 3 and 4. Tthe difference between hour and minute hand is 50 degree.What are the two possible timings?
What would be the rank of the word LABOUR in the dictionary if all the possible permutations of the alphabets of LABOUR are done?
if A = D, B=E, C=F, SHOOT = ?
There are 9 balls of equal size and same weight (they look similar) except 1. How may weighs required to find the dissimilar ball using a weighing balance?
Argentina had football team of 22 player of which captain is from Brazilian team and goalki from European team. For remaining player they have picked 6 from Argentinian and 14 from European. Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3 from Argentinian and 6 from European. Find out no. of methods available for it
A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms to the east.How far is A from his starting point?
Q.19 Alok and Bhanu play the following min-max game. Given the expression N=9+X+Y–Z where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be 27 18 20 Answer is: 20 can someone plzzzzzzzzz tell me how this answer is calculeted???
Rajdhani Express starts from Delhi at 12:00 pm and reaches Chandigarh at 2:30 pm and Doronto Express starts from Chandigarh at 12:15 and reach at Delhi at 2:15 . What will be the time when both the trains will cross each other?