AIEEE Exam Category

How many even numbers are there with three digits such that if 5 is one of one of the digits , then 7 is the next digit?

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AIEEE Other Question

When a group photograph is taken, all the seven teachers should be in the first row and all the twenty students should be in the second row. If the two corners are reserved for two tallest students,interchangeable only between them and, if the middle seat of the front row is reseved for the Principal. How many arrangements are possible? The Principal wants to arrange 5 students on the platform such that the boy ‘SALIM’ accepts the second position and such that the girl, ‘SITA’ is always adjacent to the girl ‘RITA’ . How many such arrangements are possible?