ABC26GN3385 · Chain Rule

Subject: General Aptitude · Chapter: Chain Rule · Exam: 2011 · Marks: · Difficulty:

The cost of 4 dozen papers is ₹ 24. The cost of 1 score of papers (in rupees) is $\_\_\_\_$
(a)40
(b)20
(c)10
(d)42
Answer
Answer (as printed): C
Explanation
1 score of papers = 20 papers. Cost of 4 dozen papers $=₹ 24$ Cost of 20 papers $=\frac{24}{4 \times 12} \times 20=₹ 10$

Explanation as extracted from the printed page; notation may be imperfect.

Open in whiteboard · Browse this chapter in the app