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Given, P + Q = 15 + ((P+R))/2 2P + 2Q = 30 + P + R P + 2Q = 30 + R Also given, Q = 2/5R So, P + 4/5R = 30 + R P = 30 + R/5 Now, P = R/3 R/3 = 30 + R/5 2/15R = 30 R = 225 P = 225/3 = 75 Q = 2/5 X 225 = 90
Monthly income of A is Rs. 9600 and he saves 38% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is inc...
The volume of a sphere is 2304π cm3. Find the surface area of the given sphere.
In measuring the sides of a rectangle, there is an excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is
Total surface area of Cuboid is 1875 cm ² and the Sum of its Length, breadth and height is 45cm, and then find out the sum of the squares of its length...
Twenty five liters of 60% concentration of acid solution is added to 35 liters of 80% concentration of acid solution. What is the concentration of acid ...
What will be the total surface area of a triangular pyramid whose sides are all 2cm long?
2[sin x – cos x]4 + 6[sin x + cos x]2 + 5[sin6 x + cos6 x]= ?
In a right-angled triangle PQR, right-angled at Q, the length of the side PR is 17 units, length of the base QR is 8 units, and length of the side PQ i...
The length, breadth and height of a storeroom are 15m, 8m and 9m respectively. If each box occupies 40 m3 of space, then how many boxes can b...