Which of the following is an indivisible obligation? *

(A) To sing the National Anthem in the next Pacquiao fight.

(B) To construct a pavement measuring 2 meters wide and 10 meters long.

(C) To lecture for 5 Saturdays in a tax seminar.

(D) To pay a loan obligation of P100,000 in 10 equal monthly instalments.

(A) To sing the National Anthem in the next Pacquiao fight

Indivisible obligation is an obligation in which the object, in its delivery or performance, is NOT capable of partial fulfillment.

In this case, to sing the National Anthem in the next Pacquiao fight the object of the agreement is the singing. Thus it is an indivisible obligation because the of reason of its purpose which requires the performance of all the parts .

Obligations "to do" and "not to do" are generally indivisible.