Related Questions

The distance between metacentre and __________ is called metacentric height.
A Water surface
B Centre of gravity
C Centre of buoyancy
D None of these
Metacentric height is the distance between the metacentre and
A Water surface
B Center of pressure
C Center of gravity
D Center of buoyancy
Metacentric height for small values of angle of heel is the distance between the
A centre of gravity and centre of buoy-ancy
B centre of gravity and metacentre
C centre of buoyancy and metacentre
D free surface and centre of buoyancy
The time oscillation of a floating body with increase in metacentric height will be
A same
B higher
C lower
D lower/higher depending on weight of body
With a uniform speed , a car covers a distance in 8 hours . Had the same distance could have been increased by 4 km/hr. The same distance could have been covered in 7 hours and 30 minutes. What is the distance covered?
A 420 km
B 480 km
C 520 km
D 640 km
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A 0.6 Hs and 1.67 Hs
B 0.6 Hs and 1.87 Hs
C 1.27 Hs and 1.87 Hs
D 1.27 Hs and 1.67 Hs
Nina was 1.25 m tall. One year later she was 10% taller and in the nest year height increased a further 12% from her new height .What is her height after both increases?
A 146 cm
B 152 m
C 1.54 m
D 165 m
The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?
A 56
B 78
C 112
D 130
The distance from point P to point Q is 20 miles, and the distance from point P to point R is 12 miles. If d is the distance, in miles, between points Q and R , then the range of possible values for d is indicated by __
A 8≤d ≤20
B 8≤d ≤32
C 12≤d ≤32
D 12≤d≤32
A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time , his speed (in km/hr ) must be :
A 6
B 8
C 12
D 15

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