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Start learning 50% faster. Sign in now1 day wage of Anil and Ashish = 2100/7 = 300 Efficiency ratio of Anil : Ashish = 4:1 Daily wage of Ashish = 300 x (1/5) = Rs.60
Rahul spends some part of his income and saves the remaining part. The ratio of his expenditure and saving is 3 : 4 respectively. If Rahul’s income i...
In the given figure, ABCD is a trapezium and AB!! DC. If OD = 3cm, OC = (x – 5) cm, OB = (3-x) cm and OA = (3x – 19) cm, then which Can the followin...
An edge of a variable cube is increasing at the rate of 2 cm/s. How fast is the volume of the cube increasing when the edge is 12 cm long?
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
The length of a rectangle, area of which is 105 cm2, is equal to the radius of a circle of area 1386 cm2. Find the perimeter of th...
If x1 and x2 are the roots of the equation 2x2 + 3x – 9 = 0, then the equation which has the roots 1/x1 and1/x2 is:
The lateral surface area of a regular tetrahedron is 75√3 cm². Determine the volume of the tetrahedron.
If the volume of a cuboidal tank is 3240 m3 and the ratio of the length, width and height of tank is 6:5:4 respectively then find the height ...
A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they comp...
The ratio of the radii of the bases of a cylinder and a cone is 7:8, while the ratio of their heights is 4:5. What is the ratio o...
