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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 15 : A motel cleaner has 8 master keys at home to open all the rooms in a large motel. Each room can be opened by just 1 of these keys. If 40 % of the rooms are left unlocked, what is the probability that the cleaner can get into a specific room if he selects 3 keys at random before leaving home to go to work? (A) 5 / 8, (B) 5 / 16, (C) 31 / 40, (D) 3 / 20, (E) 19 / 40.
1 1821VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 16 : A committee of 6 people is to be chosen from 8 students and 6 teachers so that it contains at least 3 students and at least 2 teachers. The number of ways this can be done is – (A) 1050, (B) 1120, (C) 7560, (D) 840, (E) 2170.
1 8991the perimetere of a square is 44m more than that of another and 187 sqm more in area then the side of the larger square is
1054The pipes can fill a cistern in 1.5 hours and 2 hours respectively. A wste pipe can empty a full cistern in 3 hours. If the cisternis empty and all three pipes are opened together, in how many min will the cistern be half full
1356the ages of two brothers are now in the ratio 4:3 but fifteen years ago, they were in the ratio 3:2the present age are
947if the price of orange falls by 20 % one can buy 5 dozens more for RS 300, then the original price per dozen is
1223P and Q are positive integers with their averagfe 15, find how many different values can one take
1030a spere circumscribes a cylinder . then the ratio of the surface area of the spere to the curved surface area of the cylinder is
1133Post New Mathematics Questions
Explain about Mathematical language & symbolism.
List any four practical values of teaching Mathematics.
What types of math do you use? Re: calculus, algebra, fractions?
What are the multivariate techniques?
explain the disciplinary values of teaching mathematics.
n radians encompass what percent of a circle?
State the necessary condition for the extreme value.
I HAVE TO ATTEND INTERVIEW OF IBPS CLERK 2 ON 19th OF MARCH 2013.I HAVE COMPLETED MY GRADUATION IN 2009.N I REALLY DONT KNOW HOW TO EXPLAIN 3 YRS GAP TO THE INTERVIEW BOARD? PLEASE SUGGEST ME SOME GOOD REASONS.
Using an x- y coordinate axis, a parabola is represented by the equation x2 = 6y. The vertex of this parabola is at what coordinate point.
if logs sqrt(5x)=1,then x equals
Briefly explain the disciplinary values of teaching mathematics.
Replicon company exam papers
What is the cube root of 729?
Simplify (785^3-235^3)/(785^2+785*235+235^2)
Explain the scope of Mathematics in the development of India in the 21st century.
