Questions

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.

The constitution of United States prescribes that the Senate be composed of two senators from each state. As there are 50 states in USA, therefore there are 100 members in the United State Senate.

‘Unless’ is used to denote the condition i.e. ‘If’...... ‘Not’. So, again the use of negative word ‘not’ is superfluous. So, the phrase, ‘are not very’ needs to be replaced with ‘are very’ to make the sentence grammatically correct. Thus, the correct formation would be, ‘Unless, you are very careful, you will run into debt’.