Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow[s] from the statements. Statements: Some Trains are Cars Every Cars are Trams Conclusions: I. Some Trams are Trains II. All Cars are Trains III. Some Trains are not TramsSolution
Some Trains are Cars (I) + All Cars are Trams (A) → Some Trains are Trams (I) → Conversion → Some Trams are Trains (I). Hence conclusion I follows but conclusion III does not follow.  Some Trains are Cars (I) → Conversion → Some Cars are Trains (I). Hence conclusion II does not follow.
An electric bulb is rated 100 W and 220 V. What is the current through the bulb? Â
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
Which of the following does not affect the value of acceleration due to gravity?
A car travels 300 m in 20 seconds. What is its average speed?
If n resistors with R Ω each as resistance are connected in parallel, then the equivalent resistance of the network is:
Tungsten is used for the manufacture of the filament of an electric bulb, because –
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
What is the main effect of increasing the temperature of a gas at constant volume? Â
Gauss's law is applicable only to:
Which of the following is the principle behind the working of a hydraulic press? Â