A red cube is cut into 1000 pieces. cubes from 2nd column are removed nd remaining is painted black.1. How many cubes will have more than one surface red ?2. How many cube will have three surface black?3. How many cubes will have one side as red and atleast two sides as black?
6)An officer kept files on his table at various times in the order 1,2,3,4,5,6 .Typist can take file from top whenever she has time and type it.What order she cannt type.? (Ans : 4,5,6,2,3,1)
(1) What is the co-efficient of the term independent of x in the series[ (1/2)(1/x)^1/3 +(1/x)^(-1/5)]^8. where ^ denotes "to the power of".
13) Some of the friends decided to go on a picnic they decided to go on abike if the biker decided to take one pillion with him then there is nomeans of travel for the people as equal to the no of bike + 1. if theydecided to go on two trip three bike r left unused in the second trip findthe no of person having bike?
There is sufficient salary to give A for 10 days and B for 15 days thenhow many days will the money last if both has to be given the salary?a) 7 b)7.5 c)12.5 d)8
Latest Answer: b)11 ...
A and B run in opposite directions from a point P on a circle with different but constant speeds. A runs in anticlockwise direction. They meet for the first time at a distance of 900 m in clockwise direction from P and for the second time at a distance of 800 m in anticlockwise direction from P. If B is yet to complete one round, the circumference of the circle is a)1700m b)1250m c)1300m d)1200m
There are 10 coins. 6 coins showing head. And 4 showing tail. Each coin was randomly flipped (not tossed) seven times successively.after flipping the coins are 5 heads 4 tails one is hided the hided coin will have what.
There r two bridges at a distance of 1Km. A person starts rowingupstream from 1st bridge and when he reaches the secondbridge he losseshis cap. After 15mins he realizes it and turns bach and rows downstreamand catches his hat at the bottom of 1st bridge. Find : The speed ofboat in still water
In an examination a student must answer 65% of the questionscorrectly. But it was found t hat after answer 7 questions corretly out of thefirst 14, the student qualified. What is the min no. of questions inthe paper. (a) 22 (b) 18 (c) 20 (d) Can't say
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