MBA Exam

Three distinct number are selected from first 20 natural number.what is the probability that selected number in GP..?

1) 2/285
2) 11/1140
3) 10/1140
4) 7/1140

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MBA Other Question

The distance AB is 12. The circle center A radius 8 and the circle center B radius 6 meet at P (and another point). A line through P meets the circles again at Q and R (with Q on the larger circle), so that QP = PR. Then the length of QP is

1) 120<sup>1/2</sup>
2) 130<sup>1/2</sup>
3) 160<sup>1/2</sup>
4) None of these
An amateur geometrician draws a straight line of length 16 cm. Using this line as a diagonal; he constructs a square by drawing four more lines. Again, using the side of the square as a diagonal he draws another square. He continues in this manner. He would stop drawing squares once the area of the square becomes less than one-thousandth of the area of the first square.Based on the information given below and answer the following questions.Question: If instead of squares, he starts making rhombus having 1200 as one the angles taking 16 cm line as the smaller diagonal and proceeds in a similar fashion, then how many rhombi will he make?

1) 10
2) 11
3) 16
4) 25
5) None of these