GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
6. | The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________? | ||
A. | 1:03 | ||
B. | 1:06 | ||
C. | 1:09 | ||
D. | 1:05 | ||
7. | If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is? | ||
A. | 15 | ||
B. | 10 | ||
C. | 14 | ||
D. | 12 | ||
8. | The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km? | ||
A. | 1000 | ||
B. | 2000 | ||
C. | 3000 | ||
D. | 4000 | ||
9. | Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter? | ||
A. | Rs.150 | ||
B. | Rs.132 | ||
C. | Rs.100 | ||
D. | Rs.125 | ||
10. | If the area of circle is 616 sq cm then its circumference? | ||
A. | 78 m | ||
B. | 88 m | ||
C. | 75 m | ||
D. | 70 m | ||