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Personal Skills (0) The mean and the variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is?
1143The minimum number of digits required to form every number which is greater than 900 and less than 9,000 is:
1368The price of Machine D equals the sum of the prices of machine A, B and C whose price are in the ratio 2:3:4 respectively. If weights of A, B, C and D varies as square of its individual price and difference of weight of D and A, B and C together is 9880 kg. Then what is the weight of D?
1504The ratio between two numbers is 5:7 and their product is 560. What is the difference between these two numbers?
1800The rectangle box with square base is open at the top. The maximum volume of the box made from 1200 m2 tin,in m3 is?
1426The time showed by an analog clock at a moment is 11 am then 1234567890 hours later it will show the time as:
2367The time showed by the clock at a moment is 8 am then the respective time of after and before 42896 hours is :
1716A 16 stored building has 12000 sq.feet on each floor. Company A rents floors and company B rents 4 floors. What is the number of sq.feet of unrented floor space.
1118A boy multiplied a number with 10 and got 100,instead of dividing it . If he divided it what would be the answer?
1501A company installed 36 punching machines at the begining of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
1300The cost of four dozen proof machine ribbons and five dozen accounting machine ribbons was Rs.160/-. If one dozen accounting machine ribbons cost Rs.20/-, what is the cost of a dozen proof machine ribbons?
1 1901A man drives at a speed of 40 miles/hr. His wife left 30 mins. late with 50 miles/hr speed. when will they meet ?
1712a man purchased 6 stamps of rupees 1 and seven stamps of 50 paise.he paid Rs. 12. how much change he got back ?
1270
A wizard named Nepo says "I am only three times my son's age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old." How old is Nepo?
Conversation between two mathematicians: first : I have three children. The product of their ages is 36 .. If you sum their ages . it is exactly same as my neighbour's door number on my left. The second mathematician verifies the door number and says that the not sufficient . Then the first says " o.k one more clue is that my youngest is the youngest" Immediately the second mathematician answers . Can you answer the question asked by the first mathematician? What are the children ages?
hi had any body attended bank of interview plz........ share your experience
Rohan bought some rice at Rs. 10 per kilogram. He buys 2 kg rice from a ration store at the rate of Rs. 8 per kilogram. He mixes the two type of rice and sells at Rs. 11 per kilogram. He makes 25% profit. What is the ratio of non-ration to ration rice?
A speaks truth 70% of the times, B speaks truth 80% of the times.What is the probability that both are contradicting each other is ?
in pure milk if 20% replaced by water and in this again 20% is replaced by water and again 20% is replaced by water then what is the proportion of milk in that mixture
Two sentences are given and we were required to print the common word in the two sentences. Words were delimited by space, full stop, ? , ! and , . The trick in the question was that common word should be printed only once so if ur first sentence contains two word "how" and second contains "how" then in output how should be printed only once for this u can replace each matched word in second sentence by spaces . i want a solution in C/C++ language
A person grows cabbage, he uses a larger square this year than previous year and produces cabbages than previous year.what is the no. of cabbages produced this year
In a car wheel, two spokes cover 15 degree. Then for the entire car,how many spokes are there?
The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten's place of the original number is equal to twice the difference between its digits. What is the number?
a bus started from bus stand at 8.00am and after 30min staying at destination it returned back to the bus stand.the destination is 27 miles from the bus stand the speed of the bus 50percent fast speed at what time it returns to the bus stand.
A person has to go both Northwards&Southwards in search of a job. He decides to go by the first train he encounters.There are trains for every 15 min both southwards and northwards.First train towards south is at 6:00 A.M. and that towards North is at 6:10 .If the person arrives at any random time,what is the probability that he gets into a train towards North.
If the % of defective balls is 10% balls,and the number of defective balls is 5.The number of balls is
Placement aptitude questions pattern in oyo rooms
Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee more than the person to his right and so on, Ramesh decided to give 1 rupee to his right & he in turn 2 rupees to his right and 3 rupees to his right & so on. This process went on till a person has 'no money' to give to his right. At this time he has 4 times the money to his right person. How many men are there along with Ramesh and what is the money with poorest fellow.