The radius of a sphere is increased by 10%. The surface area increases by:
A. 21%
B. 31%
C. 41%
D. None
Town Officer Paper of 26-05-2023 (SPSC)
A 100 meters long train passes a bridge @ 72 km/hr in 25 seconds. What is the length of the Bridge?
A. 400 meters
B. 600 meters
C. 170 meters
D. None
An orbiting satellite around the Earth receives Centripetal force from:
A. The gravitational pull of the Moon on the satellite
B. Gravitational pull of the Sun on the satellite
C. The rocket engine attached to the satellite
D. The gravitational pull of the Earth on the satellite.
The necessary centripetal force to the moving car round a corner track is provided by:
A. The coulomb’s force
B. Gravitational force
C. The force of friction
D. Centrifugal force
Ali sold a table Rs.800 which he was bought for Rs.1000. What is his % loss?
A. 20%
B. 14%
C. 60%
D. 17%