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When two trains cross each other, they cover distance equal to the sum of their lengths with relative speed. Let's take length of each train = x So, total length of both trains = 2x Relative speed = (120 – 90) × (5/18) = 25/3 m/sec. ∴ Total length = Time × Relative speed ⇒ 2x = (30 × 25)/3 ⇒ x = 125 m
Mr Rohila left his entire property to his wife, daughter and son and the cook. His sons and daughter got half the estate, sharing in the ratio of 3:2. ...
In an orchard, the ratio of the number of mango and lichi trees is 4:5, respectively. Also, there are few apple trees in the orchard which is 50% more t...
In a cricket match, five players contributed to the total runs. The ratio of runs scored by Dhoni to Raina is 5:4, and the total runs scored by all five...
Pulses of two varieties, which are costing for Rs.26/kg and Rs.78/kg as they mixed together. when the price of the mixture obtained is Rs.54/kg then wha...
In a mixture 'P', the ratio of milk to water is 7:5. In another mixture 'Q', the ratio is 1:2. If 72 litres of P and 54 litres of Q are mixed, find the ...
4%of the selling price of an article is equal to 5% of its cost price. Again 20% of the selling price is Rs.120 more than 22%ofits cost price. The ratio...
A fruit seller sells apples at a profit of 20% and oranges at a loss of 10%. If the ratio of apples to oranges sold is 3:2 and the overall profit is rup...
<p><p>Sides of a parallelogram are in the ratio 6:5. Its area is 2700 sq. units. Altitude on the greater side is 30 units. Altitude ...
