Problem Solving MCQ Set 2

Question: If the area of two circles are in the ratio 169 : 196 then the ratio of their radii is

1. 10 : 11
2. 11 : 12
3. 12 : 13
4. 13 : 14
5. None of the above

Question: A semi-circle is surmounted on the side of a square. The ratio of the area of the semi-circle to the area of the square is

1. 1 : 2
2. 2 : p
3. p : 8
4. 8 : p
5. None of the above

Question: Which of the following is the greatest ?

1. 40% of 30
2. 3/5 of 25
3. 6.5% of 200
4. Five more than the square of 3
5. 1/2^-4

Question: Two identical taps fill 2/5 of a tank in 20 minutes. When one of the taps goes dry in how many minutes will the remaining one tap fill the rest of the tank ?

1. 5 minutes
2. 10 minutes
3. 15 minutes
4. 20 minutes
5. None of the above

Question: If the value of XYZ Company stock drops from $25 per share to $21 per share, what is the percent of the decrease?

1. 4
2. 8
3. 12
4. 16
5. 20

Question: If a building b feet high casts a shadow f feet long, then, at the same time of day, a tree t feet high will cast a shadow how many feet long?

1. ft/b
2. fb/t
3. b/ft
4. tb/f
5. t/fb