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For an initial screening of an admission test,a candidate is given fifty problems to solve.If the probability that the candidate can solve and problem is (4)/(5), then the probability that he is unable to solve less than two problems is:

Write a short note on electronic waste. List the various sources of e- wastes and the problems associated with its disposal.

The one major purpose of administering an IQ test to school going children is

Star Industries is conducting the following tests to select the most suitable candidate out of the various applicants. Identify the selection test highlighted in each case. (i) This test is conducted to determine actual skills possessed by the condidate. (ii) This test aims to measure the IQ level of the applicant.

In a certain class, one-third of the students were absent. Half of the total strength the Maths test and one-fourth of the total strength attended the Physics test. If 6 students attended both the tests and every students who was present attended at least one of the two test, how many students were absent on that day ?