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Total No. of students passed in the states of Q and R (in thousands) is:

A 240

B 400

C 640

D 720

E None

Solution

Correct Answer: Option C

⇒ Passed student in ‘Q’ = (20/100) ×1200 = 240 thousands,

⇒ Passed students in ‘R’ = (50/100) × 800 = 400 thousands,

∴ Total = (240 + 400) thousand

= 640 thousands.

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