The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:
Given, a + 3d = 6 Accoding to the question Sum of first seven term a + a + d + a + 2d + a + 3d + a + 4d + a + 5d + a + 6d ⇒ 7a + 21d ⇒ 7 (a + 3d) ⇒ 7 × 6 ⇒ 42
The volume of a hemisphere is 2425 (1/ 2) cm3. Find its diameter (Take p = 22/7)
The lateral surface area of a cube is 196 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 3 ...
Steel is used to make a hemispherical bowl that is 0.37 cm thick. The bow's inner radius is 6 cm. Find the bowl's outside curved surface.
If the area of square is 196 cm² and the breadth of rectangle is 25% more and the length is 40% more than the side of the square, then find the the a...
Total surface area of a right circular cylinder is 792π cm2. If the height of the cylinder is 3 cm less than its diameter, then find the dia...
In a two cylinders the ratio of the radius of the two cylinders is 2:3 and their heights are in the ratio 5:3, then what will be the ratio of their volu...
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 76 cm then find its area?
If the area of a square field is 256 m2, then find the diagonal of the square field.
Find out the volume of a tetrahedron whose side is 6√2 cm³ ?
A covers a certain distance at a certain speed. If he covers one- third of the distance in three time then the ratio of this speed to the original speed...
