MBA Exam Numerical Ability Averages

The sum of four numbers is 253. The ratio of the first to the second is 2:3. The ratio of the second to the third is 5 : 6. The ratio of the third to the fourth is 8 : 9. What is the average of the second and the third number?Plz xplain d solution?

1) 72
2) 132
3) 60
4) 84
5) None of these

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MBA Other Question
By using letters of the word “ALLAHABAD” how many words can be formed in which no two As are together.

1) 1800
2) 900
3) 3600
4) 990
 Let N be the product of five different odd prime numbers. If N is the five-digit number abcab, a<8, how many values of N are possible?

1) 1
2) 2
3) 3
4) 4
5) >4