MBA Exam

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

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

Read Solution (Total 1)

37
ways are possible to divide natural numbers from 1 to 9 into three groups of three numbers each, such that sum of the numbers in each group is divisible by 3.
11 years agoHelpfull: Yes(0) No(0)

MBA Other Question

each side of a given polygon is parallel to either the x-axis or the y-axis. A corner of such a polygon is said to be convex if the internal angle is 90 or concave if the the internal angle is 270. If the number of convex corners in such a polygon is 25, the number of concave corners must be..CAT 2003(LEAKED)Explanation needed..

1) 20
2) 0
3) 21
4) 22
1. There are three tourist spots A, B and C in a city, each at a distance r from the centre of the city.Also,(i) A, B and C are at equal distances from each other and joined by circular and straight paths such that circular paths are outside the straight paths.(ii) No one can travel on consecutive straight or circular paths.What is the difference between the lengths of the two possible paths, where the path starts and ends at the same point?

1) (sq.root of 3 / 2).r - sq.root of 3. r
2) 2/3*phi*r - sq.root 3 . r
3) 2r
4) 3root3 r