Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Index Numbers and Time Based Data

Question:

Given that $∑p_0q_0=800, ∑p_0q_1=900, ∑p_1q_0=1000, ∑p_1q_1=1200$ where subscripts 0 and 1 refer to base year and current year respectively. The Laspeyre's Index number is

Options:

125

133.33

150

75

Correct Answer:

125

Explanation:

The correct answer is Option (1) → 125

$LP=\left(\frac{∑p_1q_0}{∑p_0q_0}\right)$

$=\left(\frac{1000}{800}\right)×100$

$=1.25×100$

$=125$