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Average speed for the entire journey = 2xy / (x + y) Where x = 60 km/h and y = 40 km/h. Average speed = 2 × 60 × 40 / (60 + 40) = 4800 / 100 = 48 km/h Correct Option: a
3% of 3000 x?% of 2000 = 3600
{(522 – 482 ) ÷ (27 + 73)} × 35 = ?% of 17
32% of 4080 + 24% of 455 = x% of 4000
What will come in place of (?), in the given expression.
√2025 + 35% of 400 = ?
(1/3) + (2/5) + (3/4) + (11/10) = 3 – (?/12)
17.5% of 400 – 24% of 150 = ?
125% of 80 – 6 × 4 = ? × 13 – 54
