ATQ, 45 + (3 X 3) = 54 54 + (3 X 4) = 66 66 + (3 X 5) = 81 81 + (3 X 6) = 99 99 + (3 X 7) = 120 120 + (3 X 8) = 144 Therefore, 81 should come in place of 84.
A semicircular sheet of metal of diameter 14cm is bent into an open conical cup. the capacity of the cup is. Use π = 22/7
The ratio of length to breadth to height of a cuboidal box is 6:5:4. If the total surface area of the cuboid is 1,392 cm², then ...
Find the mean proportion between (6 + √8) and (3 – √2).
Calculate the volume of a sphere whose diameter measures 21 cm. (Take π = 22/7)
A rectangular piece of land has a perimeter of 66 metres and length of 21 metres. If the area of the land is to be divided into 7 equal portions, then w...
A hemispherical bowl with an internal radius of 15 cm is full of liquid. This liquid will be filled in cylindrical bottles with a radius of 5 cm and a h...
If the volume of a cuboidal tank is 2430 m3 and the ratio of the length, width and height of tank is 6:5:3 respectively then find the height ...
The cost of fencing a rectangular field at the rate of Rs. 5 per meter is Rs.350. If the length of the field is 15 meters more than its breadth, then fi...
The area of a square is 576 cm2 which is 172 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length ...
If 2156 is added in a number then number become 344(4/9)% of itself. Find the original number?
