For a diagonal matrix with non-zero diagonal entries, the inverse is also diagonal with reciprocals on the diagonal. So A−1 has diagonal entries 1/x,1/y,1/z, i.e. x−1,y−1,z−1.
Given that p_0 and p_1 represent base and current prices of a commodity, q_0 and q_1 refer to the base and current quantities, then the formula used…
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
Given that p0 and p1 represent base and current prices of a commodity, q0 and q1 refer to the base and current quantities, then the formula used to calculate price relatives is :
Official previous-year question
Held on 23 May 2023 · Verified 13 Jul 2026.
Options
- A
p0p1×100
- B
p0q0p1q1×100
- C
q1q0×100
- D
p0p1
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