MBA Exam

A teacher has a set of 12 problems to use on a math exam. THe teacher
makes different versions of the exam by putting 10 questions on each
exam. How many different exams can the teacher make?

1) 66
2) 132
3) 12!-10!
4) 142

Read Solution (Total 1)

MBA Other Question
Q Consider trianglePQR such that PQ = 4, PR = 5 and QR = 6. Similarly, we have a point S such that QS = 5, RS = 4, and PQSR is a parallelogram. The angle bisector of angle P intersects QS at T, and the angle bisector of angle PQT intersects PT at U. Then the length of TU is

1) 3
2) (4√6) /3
3) 2
4) 9/2
 Q f(x, y)=|x+y|g(x, y)=|x|+|y|h(x, y)=|x-y|l(x, y)=|x|-|y|If f(x, y)=g(x, y) and h(x, y)=l(x, y), and xy not equal to 0, then which of the following is necessarily true?

1) x+y>0
2) xy>0
3) x-y>0
4) x-y<0
5) None of these