MBA Exam

there are two pockets, each containing 3 coins of diff denominations which are in AP and total value of coins in each pocket is Rs 21. the common diff of the first set of coins is greater than that of second set by 1,and the product of the first set is the product of the second set as 8 to 9. find the value of the coin of largest denominations,among six coins??

1) 9
2) 10
3) 11
4) 8

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MBA Other Question
Using one or more of the digits 1, 2, 3, 4, 5, 6 and 7, how many 7-digit numbers can be formed which are divisible by 7?(1) (2) (3) (4) (5)

1) 7^5 + 7^4 + 7^3 + 7^2 + 7
2) 4×7^5
3) 4×7^6
4) 7^6
5) 6×7^6
 There are two Arithmetic Progressions A and B such that their nth terms are given by An = 101 + 3(n – 1) andBn = 150 + (n – 1), where n is the set of natural numbers. The first 50 terms of A and B are written alternately i.e. A1B1A2B2…..A50B50. What is the remainder when the number so formed is divided by 11?

1) 0
2) 1
3) 9
4) 10