500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row aare asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their originaal podsitions that the shorteest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
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In a two-dimensional array, X (9, 7), with each element occupying 4 bytes of memory, with the address of the first element X (1, 1) is 3000, find the address of X (8, 5).
when a group photograph is taken ,all the seven teachers should be in the first row and all the twenty students should be in the second row .if two corners of the second row are reserved for the two tallest students , interchangeable only between them and if the middle seat of the front row is reserved for the principal , how many arrangements are possible?
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?
if 2x-y=4 then 6x-y is
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a+b+c=13 c+d+e=13 e+f+g=13 g+h+i=13 find the value of e.
12 Answers L&T, NIIT, Verizon,
Difference between equity and preference shares
when will be the results of sbi associate exam held on march 7 2010 be announced?
A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. How much time would it take the monkey to reach the top?
If + means * and * means / and / means %. what is the value of 2+3*5/7?
aptitude questions
1 Answers HCL, Solartis, TCL, TCS, XL Dynamics,
Alice and Bob play the following coins-on-a-stack game. 20 coins are stacked one above the other. One of them is a special (gold) coin and the rest are ordinary coins. The goal is to bring the gold coin to the top by repeatedly moving the topmost coin to another position in the stack. Alice starts and the players take turns. A turn consists of moving the coin on the top to a position i below the top coin (0 = i = 20). We will call this an i-move (thus a 0- move implies doing nothing). The proviso is that an i-move cannot be repeated; for example once a player makes a 2- move, on subsequent turns neither player can make a 2-move. If the gold coin happens to be on top when it's a player's turn then the player wins the game. Initially, the gold coinis the third coin from the top