If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3
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Q2. Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)
Travelling for 9 days. total dist to be covered is 1080 miles. Dist covered per day must be 20 miles then that of previous day. what dist is covered
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If on an item a shop gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage
A sequence is given. You should find out error & write correct answer.2,3 6,7 14,15 29,46
There were 36 chairs. how many ways can they be placed such that all rows have equal no. of chairs and atleast three chairs are there in each row and there are atleast three rows.
Length and breadth of a rectangle are in ratio 7:5. If length is reduced by 5 and breadth by 2, area reduces by 65. Find length and breadth.
The average of x and y is 6.5. if z=4,what is the average of x,y,z.
wind flows 160 miles in 330 min, for 80 miles how much time required.
There are two trees in a lawn. One grows at a rate 3/5 of the other in 4 years. If the total growth of trees is 8 ft. What is the height of the smaller tree after 2 years
Can you Please help me to get question papaer of Hp company for BPO non voice for fresher Where engish, mathematics , reasoning every thing will be there. I am goin to apply on 25 feb 2008 so need this urgently so that i can prepare for the written test.
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