Price of an article decreases from Rs 40 to Rs 30 when quant

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SSC JE CE 2016 Set 1 (Non Technical)
General Intelligence and Reasoning
1. 01
2. 02
3. 03
4. 04
5. 05
6. 06
7. 07
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General Intelligence and Reasoning

54

M: +1.00/-0.25

Price of an article decreases from Rs 40 to Rs 30 when quantity demanded increases from 1000 units to Q2 units. If point elasticity of demand is 0.8, then what is the value of Q2?

[SSC JE CE 2016 Set 1 (Non Technical)]

A 900

B 800

C 1200

D 1100