Question
The cost price of 25 items is the same as the selling
price of 20 items. Find the gain per cent.Solution
According to the question 25 CP =20 SP CP: SP=4:5 Let CP = 4unit and SP = 5unit Profit =5-4 = 1 unit Profit percentage = (1/4) × 100 = 25%
In a right-angled triangle, one angle is 60°. If the hypotenuse is 12 cm, find the length of the side opposite the 60° angle.
A sphere has a diameter of 10 cm. A cone with a height of 10 cm and a radius of 5 cm is removed from the sphere. What is the volume of the remaining solid?
A train travelling at a speed of 80 km/h, takes 27 seconds to cross a pole. If the train increased its speed by 10 km/h, how long would it take to cross...
Which of the following scheduling algorithms is designed to reduce the turnaround time and waiting time in a multitasking environment?
The 5th term of a GP is 48 and the 8th term is 384. Find the first term.
A factory produces two types of toys, A and B. The production cost of toy A is ₹15 and for toy B is ₹25. If the total selling price of 500 toys is �...
A boat can travel upstream at 12 km/h and downstream at 18 km/h. What is the speed of the boat in still water?
A 60-liter solution contains 30% alcohol. How much pure alcohol must be added to make the solution 50% alcohol?
A person, 'Q', uses 40% of their monthly income on food and then spends 60% of what is left on rent. After covering these expense...
Two circles of radii 8 cm and 3 cm have their centers 15 cm apart. What is the length of the common internal tangent?Â
Relevant for Exams:
