Mastering Mental Math: Boost Your Aptitude Skills with Quick Calculation Techniques




"Please write your answers in the comment box along with the corresponding question numbers. If you want the answers, please comment on this post, and I will provide them."


Here are ten aptitude questions 


Question 1: If a car travels at a speed of 60 kilometers per hour, how long will it take to cover a distance of 240 kilometers?

Question 2: A box contains 45 red balls and 55 blue balls. If one ball is drawn at random, what is the probability of drawing a blue ball?

Question 3: If the price of a shirt is increased by 20%, and then the increased price is further decreased by 10%, what is the overall percentage change in the price?

Question 4: A group of workers can complete a project in 12 days. If 4 workers leave the project, how many additional days will it take to complete the project?

Question 5: A train travels a distance of 480 kilometers in 6 hours. What is its average speed in kilometers per hour?

Question 6: If a book originally costs $40 and is now discounted by 25%, what is the sale price?

Question 7: If a square has a perimeter of 36 cm, what is the length of one side?

Question 8: A jar contains 80 marbles, of which 25% are blue. How many blue marbles are in the jar?

Question 9: A recipe calls for 2 cups of flour to make 24 cookies. How many cups of flour are needed to make 36 cookies?

Question 10: If the ratio of boys to girls in a class is 3:5, and there are 24 girls, how many boys are there?


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