1. What comes next in the sequence: 2, 6, 12, 20, ...?




2. If 3x + 2 = 11, what is the value of x?




3. A clock shows the time as 3:30 PM. What will be the angle between the hour and the minute hands?




4. If the cost of 5 apples is the same as the cost of 2 bananas, and if the cost of 2 bananas is $2, what is the cost of 1 apple?




5. What is the next number in the series: 1, 4, 9, 16, ...?




6. A train travels at a speed of 60 km/h. How long will it take to cover a distance of 300 km?




7. If a rectangle's length is doubled and the width is halved, what happens to the area of the rectangle?




8. What is the value of x in the equation 5x - 3 = 2x + 6?




9. If the sum of three consecutive even numbers is 54, what is the smallest of these numbers?




10. A man spends 30% of his income on rent, 40% on food, and the remaining $300 on savings. What is his total income?




11. If the average of five numbers is 20, what is their sum?




12. A bag contains 4 red balls, 3 blue balls, and 2 green balls. What is the probability of drawing a red ball?




13. If 8 workers can complete a task in 12 days, how many days will it take 6 workers to complete the same task?




14. If the price of an item is increased by 20% and then decreased by 20%, what is the net change in price?




15. If a car travels 150 km in 2.5 hours, what is its average speed?




16. A shopkeeper bought 50 items at $30 each. He sold them for $45 each. What is his profit percentage?




17. What is the least common multiple (LCM) of 6 and 8?




18. If a person walks at 5 km/h, how long will it take to walk 20 km?




19. If the ratio of the sides of a triangle is 3:4:5 and its perimeter is 36 cm, what is the length of the longest side?




20. What is the square root of 144?