Quantitative Aptitude - Arithmetic Ability Questions

Rajesh buys a table of Rs 900 and sells it. Rajesh gives two successive discount of 10% and 20% to the customer. What will be the selling price (in Rs) of the table?

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

By selling an item for Rs. 696 Unnati incurred a loss of 13%. By how much should she have raised the price to gain a profit of 10%?

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

If 3x2 = 102 - 52, find the value of x?

What is the slope of the line, parallel to the line 3x -­ 6y = 4?

If 2x + 3y = 0 and 3x ­- 4y = 34, then x ­- y = ______