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ATQ; 0.4P + 60 = 0.3Q Or, 60 = 0.3Q - 0.4P........ (I) Also, P + Q = 900 Or, P = 900 - Q...... (II) Using equation (I) and (II), we have; 60 = 0.3Q - 0.4(900 - Q) Or, 60 = 0.3Q - 360 + 0.4Q Or, 420 = 0.7Q So, Q = 600 So, required value = 600 x 2.5 = 1500
15.05% of 1599.88 + 29.99 × 12.01 - 420.05 = ?
(0.89 3 + 1.64 3 +2.76 3 ) ÷ 5.89 = ?
45.05% of 399.99 - 30.05% of 299.99 = ?
1459.98 ÷ 40.48 × 12.12 = ? × 3.16
3.55% of 8120 – 66.66% of 540 = ? – 28% of 5500
181.87 ÷ 13.89 X 8.13 + ? = 11.852
(29.98% of 9840) + ? + (19.899% of 8490) = 7560
20.05% of 450.05 – 15.15% of 119.99 × 4.02 = ?
? = 21.91% of (36.2 × (144.01 + 5.95)) + 16.71
The average of 5 positive integers was initially computed as 30. However, it was discovered later that an error had occurred duri...