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By Expert Faculty of Sri Chaitanya
a
One primary two secondary and one tertiary
b
Four primary, two tertiary and one secondary
c
One primary one secondary one tertiary and one quaternary
d
Five primary, one secondary one tertiary and one quaternary
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detailed solution

Correct option is D

a, f,  g, h,  e  are  10b=30,  c=20,  d=40.


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