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Logic: (1st number + 3) ÷ 2 = 2nd number. For, 17 : 20 (17 + 3) ÷ 2 20 ÷ 2 = 10. For, 21 : 12 (21 + 3) ÷ 2 24 ÷ 2 = 12 Similarly, for 33 : ? (33 + 3) ÷ 2 36 ÷ 2 = 18 Hence, the correct answer is. (D).
Damaging stage of white grub is
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In paracentric inversion, rearrangement of genes
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Scientific name of Guava is _____
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Sand percentage in sandy soil is ___