Question
Shudhanshu completes 1/2 of work in 12 days, then he
completes the remaining work with the help of Neeraj in 5 days. The time required for Sudhanshu and Neeraj together to complete the entire work isÂSolution
If Sudhanshu alone can do half of a job in 12 days So, remaining part is done by Sudhanshu & Neeraj both in 5 days So, they will complete the entire work in =Â 5/(1/2) = 10 days.
If the length and breadth of a rectangle are in the ratio 5:3 and its perimeter is 48 cm, then the area of the rectangle (in cm²) is :  Â
Curved surface area of cylinder is 1617 cm2. If ratio of radius to height of the cylinder is 25:21 respectively, then find the base area of t...
The perimeter of 4 squares is 20 cm, 28 cm, 32 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
Few people dive in a swimming pool of dimensions 25 × 15m. Due to this the water level rises by 4m. If one person displace 2 cubic metre of water. Find...
The sides of a triangular park are 96 m, 110 m and 146 m. Its area is equal to the area of a field in the shape of a rhombus, one of whose diagonals is...
Two paths of width 9 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
When both length and breadth of a rectangle are increased by 3 m, the area rises by 189 m². The ratio of perimeters (square : rectangle) is 5:6. Find t...
If √Ì…1Ì…2Ì…-Ì…2Ì…√Ì…3Ì…5Ì… + √Ì…8Ì…+Ì…2Ì…√Ì…1Ì…5Ì… = √a + √b, where a and b are positive integers, then the value o...
- What is the surface area of a sphere if its volume is 4,851 cm³?
The ratio of the diagonals of a rhombus is 5:6, and the difference between their lengths is 7 cm. Find the area of the rhombus.
Relevant for Exams:
