MBA Exam

A set S consists of 12 distinct elements a1,a2,a3...a12.How many subsets can be made of S with the restrictionthatthe subscripts of elements in any subset starting fromthe second elementis an integral multiple of the subscript of the firstelement.eg: if the 1st element is a1, we could have the set as{a1, a2 , a3..}if the 1st element is a2, we could have the set as {a4, a6..}

1) 1221
2) 2112
3) 2101
4) 2102

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MBA Other Question
If p x+ p y= p zwhere p is a prime number and x, y, z are natural numbers, then which is/are the correct statement(s)?(a) x = y (b) z – x = 2z – y (c) p is an even prime.

1) Only (a).
2) Both (a) and (b).
3) Both (b) and (c).
4) Both (a) and (c).
 A person purchased a cupboard and a cot for Rs. 18000. He sold the cupboard at a profit of 20% and the cot at a profit of 30%. If his total profit was 25.833%,find the C.P of cupboard?

1) Rs. 10,500
2) Rs 12,000
3) Rs 7,500
4) Rs 10,000