Number of children in orphanage E is approximately what percent of the number of children in orphanage A and B together?
Number of children in orphanage A = 15% of 500 = 75 Number of children in orphanage C = 20% of 500 = 100 Number of children in orphanage D = 10% of 500 = 50 According to the question, => 75 + 4x + 100 + 50 + x = 500 => 5x = 500 – 225 => x = 55 Number of children in orphanage E = x = 55 Number of children in orphanage B = 4x = 4 × 55 = 220 Required % = [55/(75+220)] × 100 = 19% approx.
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All phones are mobiles.
Some sims are phones.
No card is a sim.
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All balls are pencils.
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II. All pencils are balls.
