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An archery target has three regions formed by three concentric circles as shown in figure. If the diameters of the concentric circles are in the ratio 1:2:3, then find the ratio of the areas of three regions. An archery target has three regions formed by three concentric circles as shown in figure. If the diameters [...]

Which group is called buffer group of the periodic table (a) I (b) VII (c) VIII (d) Zero Which group is called buffer group of the periodic table (a) I (b) VII (c) VIII (d) Zero November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

All the vertices of a rhombus lie on a circle. Find the area of the rhombus, if area of the circle is 1256 cm^2, (use π = 3.14) (use π = 3.14) All the vertices of a rhombus lie on a circle. Find the area of the rhombus if area of the circle is 1256 [...]

Floor of a room is of dimensions 5m x 4m and it is covered with circular tiles of diameters 50 cm each as shown in figure. Find area of floor that remains uncovered with tiles, (use π = 3.14) (use π = 3.14) Floor of a room is of dimensions 5m x 4m and it [...]

Thermite is a mixture of (a) Cr2O3 + Al2O3 (b) Fe2O3 + Al (c) Fe2O3 + Al2O3 (d) Al2O3 + 2Cr Thermite is a mixture of (a) Cr2O3 + Al2O3 (b) Fe2O3 + Al (c) Fe2O3 + Al2O3 (d) Al2O3 + 2Cr November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

On a square cardboard sheet of area 784 cm^2, four congruent circular plates of maximum size are placed such that each circular plate touches the other two plates and each side of the square sheet is tangent to two circular plates. Find the area of the square sheet not covered by the circular plates. arcs [...]

Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches other two pieces. Find the area of the portion enclosed between these pieces. Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches [...]

Find the area of the sector of a circle of radius 5 cm, if the corresponding arc length is 3.5 cm. Find the area of the sector of a circle of radius 5 cm if the corresponding arc length is 3.5 cm. November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]

Three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these circles. Three circles each of radius 3.5 cm are drawn in such a way that each of them touches the other two. Find the area enclosed between these [...]

The microcosmic salt is (a) Na(NH4)H2O (b) K(NH4)HPO32H2O (c) Na(NH4)HPO44H2O) The microcosmic salt is (a) Na(NH4)H2O (b) K(NH4)HPO32H2O (c) Na(NH4)HPO44H2O) November 25, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,