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 Answers  

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the least integer n for which the sum 1+3+5+---+(2n+1) exceeds 9999 is

0 Answers   DSQ Software,

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What is multicollinearity?

0 Answers   TNS,

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Every even integer greater than 2 can be written as the sum of two primes. Give the respective two pairs of prime numbers that when added give 8 and 12.

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 2 : When copying a compact disc on a computer the dialogue box showed that the task was 60 % complete. If it had taken 12 minutes so far, how much longer will it take to complete the copying? (A) 6 mins, (B) 8 mins, (C) 12 mins, (D) 20 mins, (E) 40 mins.

1 Answers  

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Simplify e(3!*5!*6!*3!=3110400)

0 Answers   CTS,

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In the hexadecimal counting system, the letter c stands for what base-10 number.

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if card punch operator can process 80 cards in half an hour how many cards can this process in 7hr 30min?

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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.

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What is correlation?

2 Answers   TNS,

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The 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

0 Answers   DSQ Software,

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Define neighbourhood of a point in a plane

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