The total surface area of a solid right circular cylinder is 1617 . If the diameter of its base is 21 cm,when what it its volume in (cubic.cm ) (Taken )
Dheeraj can cover a certain distance in 5 hours and 22 minutes by covering three-fourth of the distance at 5 km/h and rest at 6 km/h.Find the total distance covered by him.
Sonu kumar spent 42% of his monthly income on food, 16% on rent, 10% on entertainment and 7% on travelling. But suddenly for family function, he needed Rs. 18000 and for this he took a loan of Rs. 12500. Find out his monthly income.
To successive discounts,the first being 14(7/10)% were given on an article having a marked price of ₹12,500.Finally,it was sold for ₹9,405.How much was the second discount?