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How many students passed in the states ‘R’ and ‘T’ (in thousands)?

A 400

B 420

C 820

D 20

E None

Solution

Correct Answer: Option C

⇒ Total number of students passed in the states ‘R’ and ‘T’

\(= \left( {\frac{{50}}{{100}} \times 800 + \frac{{30}}{{100}} \times 1400} \right){\rm{thousands}}\)

= 400 + 420

= 820 thousands.

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