Let x kg of Petrol is used for daily consumption, then (x + 10) × 25 = (x + 16) × 20 25x + 250 = 20x + 320 5x = 70 x = 14 ∴ Total quantity of Oil = (14 + 10) × 25 = 600 litre Required number of Days = 600/14 =300/7 days
If the perimeter of a square is 88 cm and the circumference of a circle 88cm, then which figure has larger area and by how much?
Three metallic cubes whose sides are 15 cm, 20 cm and 25 cm respectively are melted and converted into a single cube. If there is no loss of metal in t...
The curved surface area of the sphere is 154 cm2 . Find the volume of the sphere (rounded off to one digit after decimal).
A path of width 2.5 m is made outside and around a rectangular field of perimeter 300 m. If the length of the field is 20% more than its breadth, then f...
Two equal vessels A and B contain 70% of milk and 60% of milk respectively and the remaining sugar. In which 30 kg of mixture is taken out from vessel A...
The length of a rectangular floor is four times its breadth. If Rs. 2160 is required to paint the floor at the rate of Rs. 15 per square metre, what is ...
The area of a square is 38 sq. cm more than the area of a rectangle of length 19 cm and breadth 17 cm. What will be the area of incircle of the square?
The volume of a right circular cone is given as 1232 cm³, and its base area measures 154 cm². Determine the slant height of the cone.
Two circles touch each other externally at P. AB is a direct common tangent to the two circles, A and B are points of contact, and ∠ PAB = 40° . The...
The perimeter of a rectangle of length 2(x + 2) cm and breadth 2(x + 4) cm is double the perimeter of a square of area 256 cm². Find the area of the re...
