Quantitative Aptitude - Arithmetic Ability Questions

If two successive discounts of 20% and 30% are given, then what is the net discount (in %)?

20% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

By selling cloth at Rs. 9 per metre , a shopkeeper loses 10% . Find the rate at which it should be sold so as to earn profit of 15%

P and Q started a business by investing Rs 50000 and Rs 40000 respectively. After 4 months, P withdraws Rs 20000 while Q invest Rs 70000 more after 6 months of starting the business. At the end of the year P’s share in the profit is Rs 11000. What will be the total profit (in Rs) at the end of year?

After repairing a scooter runs at a speed of 54 km/h and before repairing runs at speed of 48 km/h. It covers a certain distance in 6 hours after repairing. How much time will it take to cover the same distance before repairing?

A trader had 16 quintals of wheat. He sold a part of it at 17% profit and the rest at 27% profit, so that he made a total profit of 21%. How much wheat did he sell at 27% profit?

If Cosec θ = 25/7 , then what is the value of Cot θ?

70% of the cost price of a article is equal to the 40% of its selling price. What is the profit or loss percentage?