Exams

What product is formed when electricity is passed through an aqueous solution of sodium chloride?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: All scissors are knives

Statement II: Some blades are scissors

Conclusion I: Some knives are blades

Conclusion II: All blades are knives

Two trains are moving in the same direction at the speed of 24 km/hr and 50 km/hr. The time taken by faster train to cross a man sitting in the slower train is 72 seconds. What will be the length (in metres) of the faster train?

Who has authored the book titled "Insomnia : Army Stories" featuring stories based on life in the armed forces?

In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.

Statement : Should one year of army training be compulsory for all Indian citizens?

Argument I : No, the costs of training will be prohibitive and one year of labour will be lost.
Argument II : Yes, army training helps make better citizens.

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

From a solid cube of side 7 cm, a conical cavity of height 7 cm and radius 3 cm is hollowed out. Find the volume of remaining solid?