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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 32961A 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 32077On 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 26208If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the greatest no?
12 35359Total 5 children,youngest 3yrs old and no 2 children hve the same age ,sum of their age is26.Find the age of eldest?
13 21940In 29 words or fewer, describe what you would strive to accomplish if you worked at Google Labs.
3 10145Tis 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.
2441Consider 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 10624Given 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 7758What 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 14305
A printer produced 176,400 pages in a given day. If the printer was in operation for seven hours during the day, how many pages did it print per minute?
There are two balls touching each other circumferentially. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferentially over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)= f(X-1)+f(X-2) for X>1 then X= ?
Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. N , O , M , P , L , Q , K , R , (_ _ _)
If all the natural numbers from 256 to 400 are written side by side to each other, a large natural number is obtained. How many times 6 appears in this large natural number?
two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s. Lengths of the trains are 200 and 300m. In how much time do the trains cross each other?
A train blows a siren one hour after starting from the station. After that it travels at 3/5th of its speed it reaches the next station 2 hours behind schedule. If it had a problem 50 miles farther from the previous case,it would have reached 40 minutes sooner. Find the distance between the two stations .
One person meet his friend on 12:30 then on 1:20 on second day, on third day -----?
The diameter of a wheel is 1.26m. If this wheel rotates 500 rotations, how long it can travel?
Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' present age.
"what category of job are you looking for and why"asked from an mep engineer.
A company manufactures x refrigerators cp.(9000+500x0 sp=500x; what must be the value of x so that atlas the amount gained After selling is equal to the amount spent on production
A person is 80 years old in 490 and only 70 years old in 500 in which year is he born?
If the simple interest is 10.5 % annual and compound interest is 10 % annual, compounded annually, find the difference between the interests after 3 years on a sum of Rs. 1,000.
The sum of the digits of a two digit number is 8.When 18 is added to the number, the digits are reversed. Find the number?
