Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Index Numbers and Time Based Data

Question:

If Laspeyre's index number is 225 and Paasche's index number is 144, then Fisher's ideal index number is :

Options:

160

120

180

210

Correct Answer:

180

Explanation:

The correct answer is Option (3) → 180

L, Laspeyre's Index = 225

P, Paasche's Index = 144

F, Fisher's Index = $\sqrt{L×P}$

$=\sqrt{225×144}=\sqrt{32400}$

$=180$