Which of the following pairs are correctly matched? (a) Primary sex ratio: Sex at the time of conception
Which of the following pairs are correctly matched?
(a) Primary sex ratio: Sex at the time of conception
(b) Secondary sex ratio: Sex at the time of enumeration
(c) Tertiary sex ratio: Sex at the time of enumeration
(d) Iambalanced sex ratio: Sex of workers
Select the correct answer using the codes given below
(a) 1, 2, 3 and 4 (b) 1, 3 and 4 (c) 2 and 4 (d) 1, 2 and 3
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