MBA Exam

find the sum of all 2 digit no. that give the remainder 3.when they are divided by 7.

1) 686
2) 676
3) 666
4) 656

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MBA Other Question

How many 8 digits no are there sum of whose digits are even ?

1) 14400
2) 4x5^5
3) 45x10^6
4) None
If 15 men or 24 women or 36 boys can do a work in 12 days working 8 hours a day, how many men should work together with 12 women and 6 boys to do a piece of work 9/4 times the earlier work, in 30 days working 6 hours a day?
Please post the approach.

1) 10
2) 15
3) 12
4) 8