Related Questions

Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--
A F only
B G only
C H only
D both F and G
In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. Twice the weight of his first lift was 300 pounds more than the weight of his second lift. What was the weight, in pounds, of his first lift?
A 225
B 275
C 325
D 350
In a weight -lifting competion, the total weight of Jabir's two lifts was 750 pounds. Twice the weight of this lift was 300 pounds more than the weight of his secnd lift. What was the weight , in pounds, of his first lift?
A 225
B 275
C 325
D 350
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is
A $$\frac{{\text{g}}}{2}$$
B $$\frac{{\text{g}}}{3}$$
C $$\frac{{\text{g}}}{4}$$
D $$\frac{{\text{g}}}{5}$$
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
Hydraulic __________ works on the principle of Pascal's law of transmission of fluid pressure.
A Press
B Turbine
C Pump
D Coupling
Whenever G employs only one detective, which of the following must be true? 1.R works for two insurance companies. 2. T works for G, 3. S works for two insurance companies
A 1 only
B 2 only
C 3 only
D 1 and 2 only
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is
A greater than the weight of the man
B less than the weight of the man
C Same as the weight of the man
D Zero
If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is
A $$\frac{{\text{g}}}{2}$$
B $$\frac{{\text{g}}}{3}$$
C $$\frac{{\text{g}}}{4}$$
D None of these
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
A Upwards
B Downwards
C Horizontal
D None of these

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