For the following questions answer them individually
One litre of water is evaporated from 6 litre solution containing 5% salt and 95% water. The percentage of salt in the remaining solution is
A sells an article to B for a profit of 20% and B sells the same to C at a profit of 25%. If C pays Rs 4500 then the price (in rupees) A bought it is
Selling two items each at Rs 240/-. a merchant gets a profit of 20% on one and a loss of 20% on the other. In this whole transaction the merchant gets
In a joint business A. B and C invested capitals in the ratio 5 : 6 : 8 and the periods of investments are in the ratio 8: 5:15. If the share in the profit for A is Rs 15000/- more than that of B then the share of the profit for C (in lakhs of rupees) is
A and B started a business with investments of Rs 24000/- and Rs 30000/- respectively. After 6 months A withdraws Rs 4000/-. In the year end profit of Rs 1.04 lakhs the share of A (in lakhs of rupees) is
A tank has three pipes P, Q and R. The pipes P and fill it independently in 4 hours and 5 hours respectively while R empties it in 2 hours. If P. Q and R are respectively opened at 1 AM, 2 AM and 3 AMinthat order. then the time when the tank will be empty is
Two pipes P and Q canfill a tank in 10 hours and 12 hours respectively. If they are openedalternately for one hour each, starting with P. the time required to fill the tank is
A train travels at a speed of 40 kmph through urban areas, 50 kmph in suburban areas and 75 kmph in rural areas. If the trip of train has half-an-hourtravel in urbanareas, $$3\frac{1}{2}$$ hours through suburbanareas and 3 hours in rural areas then the average speed (in kmph)of the train during the entire trip is
A car driver driving at 68 kmph locates a bus 40 meters ahead of himand after 10 seconds finds that the bus is 60 meters behind. The speed (in kmph) of the bus is
If 3 men or 4 women can reap a field in 43 days then the number of days required for 7 men and 5 women to reap the field is