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
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
The pressure cooker _____ to explode.
A is meant to
B is going to
C has been
D is near to
Pressure cooker cooks rice faster because:
A It always lets the steam escape
B High pressure crushes the hard covering of rice grains
C It does not let the heat energy escape easily
D High pressure raises the boiling point of water
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
Which of the following parts of the sunlight makes the solar cooker hot ?
A Ultra violet
B Red light
C Infra red
D Cosmic rays
A rotameter works on the principle of __________ pressure drop.
A Constant
B Variable
C Both A & B
D Neither A nor B
Hydraulic __________ works on the principle of Pascal's law of transmission of fluid pressure.
A Press
B Turbine
C Pump
D Coupling
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
If a women is paid Tk. m per hour for every hour she works up to 8 hours and is paid double for every hour she works after 8 hours, how many Tk. will she be paid for working 13 hours?
A 13 m
B 18 m
C 6
D 8

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