Question
Anil scored 40% marks and fell short of passing marks by
80, while Sunita scored 70% marks, which was 100 more than the passing marks. Find the total marks of the examination.Solution
ATQ, Let the total marks = 100x Marks scored by Anil = (100x × 0.40) = 40x Marks scored by Sunita = (100x × 0.70) = 70x According to the data: 40x + 80 = 70x - 100 70x - 40x = 100 + 80 30x = 180 x = 6 Total marks of the examination = (100 × 6) = 600
A vessel initially holds 150 liters of pure milk. First, 30 liters of milk is taken out and replaced with an equal amount of water. The process is then ...
- Udit bought 15 kg of rice at rate of Rs. 60/kg. He spent Rs. 40/kg on the transportation of the rice. At the end, he sold all quantity of rice at Rs. 'x' a...
A mixture contains (x+10) L of milk and 60 L of water. If 5 L milk and 10 L water are added to this mixture, the ratio of milk to water becomes 3:2. Fin...
- Cost price of wheat (per kg) of type 'A' and 'B' is Rs. 84 and Rs. 132 respectively. Both types are mixed and sold at Rs. 156 per kg at a profit of 30%. Fi...
Quantity of water in a 480 litres mixture (Milk + Water) is 120 litres less than the quantity of milk in it. Find the quantity of water to be mixed so ...
A container has a mixture of juice and soda in the ratio 4:1. If half of the mixture is removed and replaced by 15 litres of soda, the resulting ratio o...
In solution A, the ratio of mixtures P to Q is 5:3, while in solution B, the ratio of mixtures P to Q is 3:2. If 50% of solution A is added to solution ...
If 50L of liquid containing 20% spirit is added with 15L of water then what would be the percentage of spirit in the resulting mixture?
26.75 litres of a mixture P (milk and water) is combined with another mixture Q. The resulting mixture has milk to water in the ratio 4:7. If mixture Q ...
A factory produces three alloys: X (30% copper), Y (50% copper), and Z (70% copper). An engineer combines these alloys in the ratio 3:2:1. If the total ...
