The main line train starts at 5.00AM and the harbor line train starts at 5.02AM. Each train has the frequency of 10 minutes.If a guy goes in the morning at a random time what is the probability of he getting main line train?
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In a company 30% are supervisors and 40% employees aare male if 60% of supervisors are male what is the probability that is randomly choosen employee is a male or female?
A company installed 36 machines at the beginning of the year. In March they installed 9 additional machines and then disconnected 18 in August. How many were still installed at the end of the year.
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i am going to write RBI officer b grade exam. can u pls send me past 3 years questions?
Grass in lawn grows equally thick and in a uniform rate. It takes 24 days for 70 cows and 60 days for 30 cows to eat the whole of the grass. How many cows are needed to eat the grass in 96 days?
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In which of the system, decimal number 194 is equal to 1234?
28% of 450 + 45% of 280 = ? (a) 126 (b) 252 (c) 324 (d) 212 (e) None of these
From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
in a school for a student out of a 100 he got 74 of average for 7 subjects and he got 79 marks in 8th subject. What is the average of all the subjects?
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10 years ago, the average age of a family of 4 members was 24 years. Tow children having been born (with age difference of 2 years), the present average age of the family is the same. The present age of the youngest child is:
A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability.