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Start learning 50% faster. Sign in nowAccording to the question, 9000 – 7500 = (7500 × r × 24) ÷ (12 × 100) Or, 1500 = 150 × r Or, r = 10 When the sum is invested at compound interest, Effective rate of interest = (r + 20) ÷ 3 = (10 + 20) ÷ 3 = 10% Effective time period = 1 × 3 = 3 units Amount received = Principal × {1 + (r/100)}time period = 7500 × {1 + (10/100)}3 = 7500 × (1.1)3 = 9982.5
198 + 105 - 215 = ?
The income of a person is Rs.15000 and his expenditure is Rs.12000. In the next year his income and expenditure is increased by 8% and 13% respectively....
255 × 8 + 386 × 5 =? % of 7940
? = 15% of 2400 + 140% of 4200 – 12 3
Evaluate:
√729 + √49 - √16 + 1/√64
What will be the value of the following expression?
0.04 ÷0.002 × 0.05 × 50
3.2% of 500 × 2.4% of ? = 288