A can copy 50 pages in 10 hrs.
A can copy 5 pages in 1hr.(50/10)
now A & B can copy 70 pages in 10hrs.
thus, B can copy 90 pages in 10 hrs.[eqn. is (50+x)/2=70, where x--> no. of pages B can copy in 10 hrs.]
so, B can copy 9 pages in 1hr.
therefore, to copy 26 pages B will need almost 3hrs.
since in 3hrs B can copy 27 pages.
What is the minimum number of comparisons required to find the second smallest element in a 1000 element array?
An Engine length 1000 m moving at 10 m/s. A bird is flying from engine to end with x sec and coming back at 2x sec. Take total time of bird traveling as 187.5s. Find the to and fro speed of the bird?
Determine the distance between x and z intercept of the plane whose eqn is 2x+9y-3z=18?
A man climbing a rock at 24 km/hr and downhill 36 km/hr. Determine avg speed?
If the list price of a book is reduced by Rs. 5, then a person can buy 5 more books for Rs. 300. The original cost of the book is(1) Rs. 15(2) Rs. 20(3) Rs. 25(4) Rs. 30
Suppose we have 10 liters of water... we have only two buckets, 1 of capacity 3liter and another of 7 liter.so how will we make combinations such that 1 bucket will have exactly 5 liters of water?
How to solve cube problems, like a big cube is divided into 64 smaller cubes. Some sides are painted in blue, red or green. Can you plz. guide me how to approach these types of problems?
Jo, Do, and So are three persons(1) So says Jo is football player, I also football player.(2) Do says Jo is football player, I also football player.(3) Jo says Do is football player, I also football player.Find the football player among them?
A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?(a) 110 men(b) 130 men(c) 100 men(d) none of these
9,18,21,25,20, What is the next number in the above Sequence?
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