GMAT-Quantitative Aptitude
GMAT-Quantitative Aptitude
1. A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also by x cms so as to make it a square then its area changes by :
- 4
- 144
- 12
- 2
2. A motorcycle stunts man belonging to a fair, rides over the vertical walls of a circular well at an average speed of 54 kph for 5 minutes. If the radius of the well is 5 meters then the distance traveled is:
- 2.5 kms
- 3.5 kms
- 4.5 kms
- 5.5 kms
3. If 1 cm on a map corresponds to an actual distance of 40 kms. And the distance on the map between Bombay and Calcutta is 37.5 cms., the actualdistance between them is :
- 375 kms
- 3750 kms
- 1500 kms
- 1375 kms
4. A box contains 90 mts each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg., then the weight of the empty box is :
- 10 kg
- 10.5 kg
- 11 kg
- 11.5 kg
5. If the radius of a circle is increased by 20% then the area is increased by :
- 44%
- 120%
- 144%
- 40%
7. A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time. Hence the father's present age is
- 36
- 42
- 45
- 48
9. If the area of two circles are in the ratio 169 : 196 then the ratio of their radii is
- 10 : 11
- 11 : 12
- 12 : 13
- 13 : 14
10. Which of the following is the greatest ?
- 40% of 30
- 3/5 of 25
- 6.5% of 200
- Five more than the square of 3