Puzzle 1: How many times in a day, the hands of a clock are straight? A. 22 B. 44 C. 24 D. 48 Puzzle 2: At 3.40, the hour hand and the minute hand of a clock form an angle of? A. 120° B. 130° C. 125° D. Read more about Clock Puzzle 3[…]
There are two main types of thermodynamic processes: the reversible and irreversible. The reversible process is the ideal process which never occurs, while the irreversible process is the natural process that is commonly found in the nature. Introduction: When the system undergoes a change from its initial state to the final state, the system is Read more about Reversible and Irreversible Processes[…]
Teaser 1: If an electric train is going east at 60 miles an hour and there is a strong westerly wind, which way does the smoke from the train drift? Answer: There is no smoke coming from electric trains. Teaser 2: Say Race car backwards. Answer: ‘Race car backwards’ Teaser 3: What do the numbers 11, 69, and 88 all Read more about Brain Teaser 6 [With Answers][…]
Various methods of evaluations of algebraic limits: To evaluate algebraic limits, we have the following methods: i. Direct substitution method ii. Factorization method iii. Rationalisation method iv. Using some standard results v. Method of evaluating limits when variable tends to ∞ or – ∞ Direct substitution method: If by direct substitution of the point in Read more about Evaluation and Algebric of Limits – I[…]