Question
A shopkeeper sold an article for Rs. 840 after giving a
discount of 20%. What was the marked price of the article?Solution
Let the marked price be x . After a 20% discount, the selling price is. 0.8x=840 x=8400/8 x=1050
<p><p>The length of sides of a square is twice the radius of a circle and perimeter of a rectangle is half the perimeter of the squa...
The circular field has a perimeter (circumference) of 264 meters. Calculate the area of the field. {Take π = (22/7)}
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.
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...
Find the coordinates of the points where the graph 57x – 19y = 399 cuts the coordinate axes.
(a) x – axis at (– 7,0) and y – axis at (0, ...
If the ratio of the heights of two cones is 3:2 and the diameters are in the ratio 5:6, what is the ratio of their volumes?
The Height of a metallic hollow cylinder is 28 cm and the difference between its inner curved surface Area and outer curved Surface area is 66cm². If t...
If the volume of a cuboidal tank is 2560 m3 and the ratio of the length, width and height of tank is 5:4:2 respectively then find the height ...
The volume of cone is 4752 cm3. If its height is 3.5 cm then find the radius of the cone.
In a zoo, 30% of the people are males. 50% of the remaining are females and the remaining 630 are children. Find the total number of people in a zoo.
