Related Questions

The application of second type levers is found in
A Handle of a hand pump
B Hand wheel of a punching press
C Lever of a loaded safety valve
D A pair of tongs
In the levers of third type, the mechanical advantage is __________ one.
A Less than
B Equal to
C More than
D None of these
In the levers of first type, the mechanical advantage is ________ one.
A Less than
B Equal to
C More than
D None of these
In second type of levers,
A Load is in between the fulcrum and effort
B Effort is in between the fulcrum and load
C Fulcrum is in between the load and effort
D None of these
In the levers of __________ type, the mechanical advantage is less than one.
A First
B Second
C Third
D None of these
In levers, leverage is the ratio of
A Load lifted to the effort applied
B Mechanical advantage to the velocity ratio
C Load arm to the effort arm
D Effort arm to the load arm
In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50
Type 1 workers can do three times the work of Type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 8 Type 2 workers to complete the same task?
A 16
B 17
C 20
D 18
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
A 33.5%
B 37.5%
C 40%
D 50%
An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
A 33.5%
B 37.5%
C 40%
D 50%

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