1.

Match the Energy Efficient Building Elements in Group-I with their associated Working Principles in Group-II

A. P 3, Q 2, R 4, S 5
B. P 5, Q 2, R 4, S 3
C. P 3, Q 5, R 1, S 2
D. P 4, Q 5, R 1, S 2
Answer» D. P 4, Q 5, R 1, S 2


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