For the following questions answer them individually
5 bells start commencing together at 9 AM. They ring at the intervals of 12 seconds, 18 seconds, 24 seconds, 36 seconds and 45 seconds. At what time do the bells ring together again?
A spends 45% of his salary on food and donates 5 % of his salary on old age homes. If he spends Rs.28,500 on food and old age homes, then what will be the salary of A?
A cone of radius 9 cm and height 15 cm is melted and made into a cylinder of height 45 cm. The diameter of the cylinder is:
A person rides bi cycle on four different ways ro reach the destination. Determine the average speed during this whole journey.
Divya bought a car for ₹ 3,50,000 and sold it for ₹4,35,000. What is her percentage profit (correct up to one decimal place)?
A car covered 240 km in 5 h. If it travels with half of its usual speed, then how much more time will be taken to cover the same distance?
X bought 40 pencils for a total of Rs 180 and bought 2 dozens of pens for Rs 180. Find the difference between the price of one pen and one pencil.
A dealer allowed a discount of 20 percent on marked price of Rs. 72000 on an article and incurred a loss of 10 percent. What discount should he allow on the marked price, so that he gains Rs. 440 on the article?