A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. Student A takes food for 20 days and pays Rs 1000. Student B takes food for 26 days and pays Rs 1180. Find the fixed charge.
ARs 400
BRs 300
CRs 500
DRs 600
✓ Correct Answer: A — Rs 400
F+20R=1000, F+26R=1180. Subtracting: 6R=180 -> R=30. F+20(30)=1000 -> F=400.

Question

A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. Student A takes food for 20 days and pays Rs 1000. Student B takes food for 26 days and pays Rs 1180. Find the fixed charge.

ARs 400

BRs 300

CRs 500

DRs 600

✓ Correct Answer: A — Rs 400

F+20R=1000, F+26R=1180. Subtracting: 6R=180 -> R=30. F+20(30)=1000 -> F=400.

Accepted Answer

A. Rs 400

Answer

B. Rs 300

Answer

C. Rs 500

Answer

D. Rs 600