Quantitative Aptitude - Arithmetic Ability Questions

10% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

In a class test, a student scored 22 marks out of 25 marks. The students marks in % is :

The average salary of male employees in a firm was Rs. 5200 and that of females was Rs. 4200. The mean salary of all the employees was Rs. 5000. What is the % of female employees?

Consider the figure shown below which consists of the triangle ABC which touches the circle with centre at O. Which of the following options is CORRECT?

Select the related number from the given alternatives.
0.02 : 0.002 :: 1/3 : ?

If x2+1x2 = 2, then the value of x - 1x is

A bus runs at 50 kmph. If the speed is increased by 10 kmph, it will cover 20 km more in the same time. Find the actual distance covered?

Raghunandan sells a machine for Rs 45 lakhs at a loss. Had he sold it for Rs 55 lakh, his gain would have been 9 times the former loss. Find the cost price of the machine.