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There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
8 33223A helicopter drops two trains, each on a parachute, onto a straight infinite railway line. There is an undefined distance between the two trains. Each faces the same direction, and upon landing, the parachute attached to each train falls to the ground next to the train and detaches. Each train has a microchip that controls its motion. The chips are identical. There is no way for the trains to know where they are. You need to write the code in the chip to make the trains bump into each other. Each line of code takes a single clock cycle to execute. You can use the following commands (and only these); MF - moves the train forward MB - moves the train backward IF (P) - conditional that's satisfied if the train is next to a parachute. There is no "then" to this IF statement. GOTO
ASD Lab, HP, Micro Labs, Microsoft,
7 32337On the shelf you have 10 identical bottles of identical pills (let?s say there?s a hundred pills in each bottle). However, one of those 10 bottles contains cheap knockoff pills. The only way to differentiate fake pills from real pills is the weight - while real pills weigh 1 g each, the knockoff pills are only 0.9 g. You have one scale that shows the exact weight (down to the mg) of whatever is weighed. How can you tell which bottle contains fake pills with just 1 weighing?
7 26399If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the greatest no?
12 35688Total 5 children,youngest 3yrs old and no 2 children hve the same age ,sum of their age is26.Find the age of eldest?
13 22294In 29 words or fewer, describe what you would strive to accomplish if you worked at Google Labs.
3 10265Tis known in refined company, that choosing K things out of N can be done in ways as many as choosing N minus K from N: I pick K, you the remaining. This simply states the binomial coefficient identity . Find though a cooler bijection, where you show a knack uncanny, of making your choices contain all K of mine.For pedantry let K be no more than half N.
2495Consider a function which, for a given whole number n, returns the number of ones required when writing out all numbers between 0 and n. For example, f(13)=6. Notice that f(1)=1. What is the next largest n such that f(n)=n?
4 10800Given a triangle ABC, how would you use only a compass and straight edge to find a point P such that triangles ABP, ACP and BCP have equal perimeters? (Assume that ABC is constructed so that a solution does exist.)
2 7915What is the optimal size of a project team, above which additional members do not contribute productivity equivalent to the percentage increase in the staff size?
3 14416
Integral ET(epsiolan transpose)*sigma*dV P=strain displacement vector Q=stress-strain deformation Find [K]
A number, when it is divided by 8 it gives a remainder 3 and is divisible by both 3 and 5. Find the number.
Seema's weight is 25% of Sunita's weight and 40% of Tanisha's weight. What percentage of Tanisha's weight is Sunita's weight?
f(x) = 10x3 + ax2 + bx – 63. If f(-1) = -8 and one of the factors of the given equation is 2x + 3, then find the values of 'a' and 'b'.
If 20 men take 15 days to to complete a job, in how many days can 25 men finish that work?
What would be the simple interest obtained on an amount of Rs. 3460 at the rate of 8.5 per cent per annum after 6 years?
if length of a rectangle is increased by 20% and width is decreased by 20% the area will be
A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
what is the exact qualifing marks for group 1 prelims
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(f(X))=81 then the value of X=?
I and two of my friends were playing a game. For each win I get Rs 3. Totally I had three wins. Player 2 got Rs.9 and player 3 got Rs 12. How many games had been played?
f(X)-f(X-1)=f(X-8) FOR X>5 THEN X=
there are two categories of persons in ratio a:b = 2:3. A type earns 2.5 dollars/hr and b type 1 dollar/hr total money earned by both is 24dollars. Then what is the total number of persons
A man buys 12 lts of liquid which contains 20% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid.What is the % of water in the new mixture?
One year payment to the servant is Rs. 200 plus one shirt. The servant leaves after 9 months and receives Rs. 120 and a shirt.Then find the price of the shirt.
