Quantitative Aptitude - Arithmetic Ability Questions

Deepanshu lent Rs. 8400 to Jaipal for 15 years and Rs. 5100 to Kareem for 14 years on simple interest at the same rate of interest and received Rs. 17766 in all from both of them as interest. The rate of interest per annum is

The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is

What is the value of 10% of 150% of 400?

If 2 pair of trouser is offered free on purchase of 3 pair of trousers priced Rs 900 each what is the effective discount on each pair of trouser?

Δ PQR is right angled at Q. If m√R = 30°, then what is the value of Cot P?

If x + (1/x) = √13, then what is the value of x5 – (1/x5)?

The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?

After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?