Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount?

The third proportional of two numbers 4 and 20 is

What will be the average of the first 5 positive even numbers divisible by 9?

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

How many numbers divisible by 125 can be written by using all the digits 2,3,8,7,5 exactly once?

A trader buys 800 kgs of tomatoes for Rs 7200. 10% tomatoes are damaged in transportaion. At what rate (Rs/Kg) should he sell the rest to earn 30% profit?

The costs of daily ticket of local train is Rs 130 and Monthly Pass costs Rs 3091.40. If I buy the Monthly Pass and travel for 29 days in a month than I save (in percentage)?

Solve the following: (−18)[36÷7−(−2)]÷{}(−4)19−(−3)×(−5)={}?