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Start learning 50% faster. Sign in nowLet the speed of the man be ‘x’ m/sec. Speed of train = 1350/25 = 54 m/sec Relative speed of the train = (54 – x) m/sec According to the question, => (54 – x) = 1350/30 => x = 54 – 45 => x = 9 Therefore the speed of the man = 9 m/sec
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