Question
The wheel of an engine 5 (1/9) meters in circumference
makes five revolutions in 4 seconds. Find the speed of the train in km per hour.Solution
5 revolution = 4 seconds Then, 1 revolution = 4/5 seconds Speed = Distance/Time = [(46 × 5 )/(9 × 4)] × (18/5) = 23 km/hr
More Profit and loss Questions
54% of 250 = 6 × 21 + √?
√ (573 – 819 + 775) = ? ÷ 3
7(1/2) – 3(5/6) = ? − 2(7/12)
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
∛157464 =?
What will come in place of (?) in the given expression.
√625 + 12 × 5 = ?654.056 + 28.9015 × 44.851 – 43.129 =?
((67)32 × (67)-18 / ? = (67)⁸
√10404 + √9604 - ∛1728 - ∛42875 = ?
