Question
What value will come in place of (?) question mark in
the given expression. [ (75% of 320) – (40% of 250) ] × 2 = ?Solution
ATQ, 75% of 320 = (75 × 320) ÷ 100 = (3 × 320) ÷ 4 = 240 40% of 250 = (40 × 250) ÷ 100 = (4 × 250) ÷ 10 = 100 Difference = 240 – 100 = 140 Multiply by 2 → 140 × 2 = 280
International Agency for Research on Cancer (IARC) has classified radiofrequency electromagnetic fields as possibly carcinogenic to humans. In which cat...
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