A agrees to sell his house to B for 10,000 rupees. Here, B's promise to pay the sum of 10,000 rupees is the consideration for A's promise to sell the house, and A's promise to sell the house is the consideration for B's promise to pay the 10,000 rupees.

A. Invitation to offer B. Counteroffer C. Communication D. None of these

A. Is available to Y's representatives alone B. Is available to Z alone C. Is available to Y's representatives & Z both D. Is available to Y's representatives & after the death of Z, his representatives

A. Theory of unjust enrichment B. The right of lien C. Test of agency D. Doctrine of frustration

A. The active concealment of a fact by one having knowledge or belief of the fact B. A promise made without any intention of performing it C. The suggestion, as a fact, of that which is true, by one who does believe it to be true D. None above