MBA Exam

A, B and C can individually complete a piece of work in 30, 50 and 75 days respectively. They worked on one day each, with A starting the work followed by B the next day and C the next day. They continued working like this till the 30th day after which the remaining work was completed by B and C working on alternate days with B working on 31st day. In how many days was the work completed?

1) 50
2) 45
3) 40
4) 35
5) 30

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MBA Other Question

For the number N = 2 × 3 × 5 × 7 , the total number of perfect square factors will be

1) 144
2) 134
3) 123
4) 110
A student gets marks in the ratio 2:3:4:5 the maximum marks in these subjects is 6:7:8:9.he scores 48% overall. What is maximum individual marks amongst the subjects??sorry guys dont have options.pls help