MBA Exam

Let S be a set of 4 digit numbers such that the middle 2 numbers are the sum of the other 2...for eg 5116 is one such number cause 5+6=11 are the middle digitsFind the sum of all such numbers

1) 45945
2) 458955
3) 437745
4) 458940

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MBA Other Question

How do we approach those type of questions where we have 2 equations in 3 variables and we have to find the possible values? for eg :Karan who had no money in his pocket, presented a cheque for a certain amt to a teller at the bank.The teller intended to give the amt only in the denominations of 50 and 500. He figured that he could give x 50 rupee notes and y 500 rupee notes. However while giving he made an error and gave y 50 rupee notes and x 500 rupee notes. Karan then spent rs 50 and when he counted the remaining amount he found that it was 3 times the amt he had written on the cheque. The amt on the cheque could be :

1) >3000 and <4000
2) >5000 and < 8000
3) >14000 and <16000
4) >16000 and <18000
66 students of a class are covered under a Health Insurance Scheme for which premium charged is Rs. 5000 per student. Considering the types of coverage in the policy, the probability that a policy will become a claim policy is estimated to be 0.2. The Insurance Company offering the cover has collected the data related to treatment expenses of various diseases covered under the scheme. Based on this, the claim amount is likely to vary linearly between Rs. 10000 to Rs. 50000. What is the probability that this scheme will result in a loss. The company keeps 20% of the premium amount collected for meeting overhead and other expenses and only 80% is available for claim settlement.The Insurance Company wants to do such business only if the probability of loss is less than or equal to 20%.Is the probability of loss in this case <= 20%. If no, what are your recommendations to keep it within acceptable range?