A pipe can fill a tank in 6 hours, and another pipe can empty it in 8 hours. How long will it take to fill the tank if both pipes are opened together?
A coin is tossed twice. What is the probability of getting at least one head?
If a number is increased by 20%, it becomes 180. What is the original number?
A father is twice as old as his son. After 10 years, the father’s age will be 40 years. Find the current age of the son.
A can complete a work in 15 days, and B in 10 days. How many days will they take together?
A train moves at 72 km/h. How many meters will it cover in 25 seconds?
A train travels 300 km in 5 hours. What is its speed in km/hr?
A man buys an article for ₹500 and sells it for ₹650. Find his profit percentage.
What is the simple interest on ₹5000 at 6% per annum for 2 years?
What is the smallest number that is exactly divisible by 12, 18, and 24?
A boat can travel at 10 km/h in still water. If the speed of the stream is 3 km/h, what is the boat’s effective speed downstream?
A 150-meter-long train is running at a speed of 54 km/h. How much time will it take to cross a 300-meter-long platform?
Solve: 48 ÷ 8 + 6 × (5 - 2) = ?
A shopkeeper earns a profit of 25% on selling an item for ₹250. What was the cost price?
Find the simple interest on ₹6,000 at an annual interest rate of 5% for 3 years.
Convert 0.875 into a fraction in its simplest form.
Find the compound interest on ₹5000 at 10% per annum for 2 years (compounded annually).
The average of five numbers is 48. If one number is removed, the average becomes 45. What is the removed number?
The radius of a circle is 7 cm. Find its circumference (π = 22/7).
What is the value of 75 ÷ 5 + 12 × 2 − 3?
The perimeter of a rectangle is 40 cm. If its length is 12 cm, find its breadth.
The LCM of two numbers is 120 and their HCF is 10. If one number is 40, find the other number.
If A : B = 3 : 5 and B : C = 4 : 7, then find A : B : C.
If A:B = 3:5 and B:C = 4:7, then what is A:C?