MBA Exam

In how many ways can the natural numbers from 1 to 9 be divided into three groups of three numbers each, such that the sum of the numbers in each group is divisible by 3?

1) 9
2) 18
3) 37
4) 38

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MBA Other Question

In an examination ,80% student passed in physics ,70% in chemistry while 15% failed in both the subject.if 325 students passed in both the subjects.Find the total no. of student who appeared in the examination.

1) 500
2) 400
3) 300
4) 600
Trigonometry :At the foot of a mountain the elevation of its summit is 45 degree ,after ascending 1000m towards the mountain up a stop of 30 degree inclination , the elevation is found to be 60 degree .Find the height of the mountain.

1) 1.3km
2) 1.366km
3) 2.72km
4) none of these