MBA Exam

Let x be a three digit integer which sum of digits is 11; The sum of the digit of the number 2x cant be

1) 4
2) 13
3) 15
4) 22

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MBA Other Question

rem: (7^50)/90post solution too

1) 1
2) 7
3) 49
4) 243
Ram prepares
solutions of alcohol
in water according to customersâ€™
needs. This morning Ram has
prepared 27 litres
of a 12%
alcohol solution
and kept it ready in a 27 litre delivery container to
be shipped to the customer.
Just before
delivery, he finds out hat the customer had asked for 27 litres of 21% alcohol solution. To prepare what
the customer wants,
Ram replaces a portion
of 12% solution
by 39% solution. How many litres of 12% solution are replaced? pl explain

1) 9
2) 5
3) 10
4) 12