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ATQ, Let the number of students in the class be ‘100x’. Number of girls in the class = 100x × 0.40 = ‘40x’ Number of girls who can read = 40x × 0.75 = ‘30x’ ATQ: 30x = 108 Or, x = 3.6 So, the number of students in the class = 3.6 × 100 = 360 Alternate solution: Number of students in the class = 108 ÷ 0.75 ÷ 0.40 = 360
3(2/5) + 6(1/3) + 3(2/5) + 11(2/3) =?
(? + 2180) ÷ 69 × 5 = 450
(122 - 82 ) X ? = 90% of 500 - (90 - 25) X 2
360 ÷ 4 ÷ 3 = 150 – ?
24% of 150% of 500 + 140 = ? × 8
82.3 × 644.7 × 723.4 × 815.85 = 72?
? = 2640 ÷ {(35% of 1240) – 170}
17.5% of 400 – 24% of 150 = ?
32 × 15 + 60% of 200 = ? + 120