Quantitative Aptitude - Arithmetic Ability Questions

If ax= by= cz and b2= ac, then what is 1x+1z equal to ?

A bag contains 25 paise, 50 paise and 1 Rs coins. There are 220 coinsinall and the total amount in the bag is Rs. 160. If there arethrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

One tap can fill a water tank in 50 mins and another tap can make the filled tank empty in 75 mins. If both the taps are open together, already half filled tank would be full in

Travelling at 4/5th of his usual speed, a man is 15 minutes late. What is his usual time to cover the same distance?

A trader had 1200 kgs of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (in kg) wheat did he sell at 5% profit?

To cover a distance of 216 km in 3.2 hours, what should be the average speed of the car in meters/second?

P and Q can do a project in 6 and 12 days respectively. In how many days can they complete 25% of the project if they work together?

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?