Questions

If some action has started in the past and is still continuing, then present perfect continuous tense should be used instead of present continuous tense. So, the phrase ‘am waiting’ needs to be replaced with ‘have been waiting’ to make the sentence contextually correct. Thus, the correct formation would be, ‘I have been waiting for three –quarters of an hour’.

Code review is a software quality assurance activity in which one or several humans check a program mainly by viewing and reading parts of its source code, and they do so after implementation or as an interruption of implementation.

The Golaknath Case of 1967 relates to the power of the Parliament to curtail the Fundamental Rights provided in the Constitution.In 1967, the Supreme Court reversed its earlier decisions in Golaknath v. State of Punjab. It held that Fundamental Rights included in Part III of the Constitution are given a "transcendental position" and arebeyond the reach of Parliament. It also declared any amendment that "takes away or abridges" a Fundamental Right conferred by Part III as unconstitutional. By 1973, the basic structure doctrine triumphed in Justice Hans Raj Khanna's judgment in the landmark decision of Kesavananda Bharati v. State of Kerala.

The indifference curves cannot intersect each other.

Higher indifference curve represents a higher level of satisfaction because higher IC means a bundle consisting more of both the goods or same quantity of one good n more quantity of the other good .Hence statement 2 is correct and 3 is incorrect.

Indifference curves is convex to the point of origin because of diminishing Marginal Rate of Substitution.