Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately. Then the tank will be full in:
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7,8,12,21,37,?
At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party? 10 11 12 13
The value of x is between 0 & 1 which is the larger? A) x B) x^2 C) -x D) 1/x
There is six letter word VGANDA . How many ways you can arrange the letters in the word in such a way that both the A's are together.
window was introduse in
Thirty men take 20 days to complete a job working 9 hours a day.How many hour a day should 40 men work to complete the job? (a) 8 hrs (b) 7 1/2 hrs (c) 7 hrs (d) 9 hrs
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complete the series: a c b d f e g i __
720 buses operate from a depot, but 168 are being repaired. What percentage of the total that are in service?
2,20,110,380,?
2. In an examination a student must answer 65% of the questions correctly. But it was found that after answer 7 questions corretly out of the first 14, the student qualified. What is the min no. of questions in the paper. (a) 22 (b) 18 (c) 20 (d) Can't say