Question
The length of the diagonal of a cube is 4√3 cm. Calculate the total surface area of the cube.
The length of the diagonal of a cube is 4√3 cm. Calculate the total surface area of the cube.
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Question
If the length of the radius of a sphere is increased by 50%, find how much percent will be increased of its curved surface area.
If the length of the radius of a sphere is increased by 50%, find how much percent will be increased of its…
Question
If the height of two right circular cylinders is in the ratio of 1 : 2, and the perimeters of the base are in the ratio of 3 : 4, find the ratio of their volumes.
If the height of two right circular cylinders is in the ratio of 1 : 2, and the perimeters of the base…
Question
DE ∥ BC of ΔABC where D and E are two points on AB and AC, respectively. If AD = 5 cm, DB = 6 cm, and AE = 7.5 cm, calculate the length of AC.
DE ∥ BC of ΔABC where D and E are two points on AB and AC, respectively. If AD = 5 cm,…
Question
A circle with the center ‘O’. A point P is 26 cm away from the center of the circle, and the length of the tangent drawn from the point P to the circle is 10 cm. Calculate the length of the radius of the circle.
A circle with the center ‘O’. A point P is 26 cm away from the center of the circle, and the length…
Question
AOB is a diameter of a circle whose center is O. The point C lies on the circle. If ∠OBC = 60°, find the value of ∠OCA.
AOB is a diameter of a circle whose center is O. The point C lies on the circle. If ∠OBC = 60°,…
Question
The radius of the circle with the center ‘O’ is 13 cm and a chord AB with the length of 10 cm on it. Calculate the distance of the chord AB from the center of the circle.
The radius of the circle with the center ‘O’ is 13 cm and a chord AB with the length of 10 cm…
Question
Rationalize the surds of the denominator: 12/(√15 – 3)
Rationalize the surds of the denominator:
Question
Find out the ratio of the sum and the product of two roots of the equation 7x² − 66x + 27 = 0.
Find out the ratio of the sum and the product of two roots of the equation 7x² − 66x + 27 =…
Question
The ratio of capitals of A, B, C is [katex]1\over \text{x}[/katex] : [katex]1\over \text{y}[/katex] : [katex]1\over \text{z}[/katex], after a year there was a loss of Rs. z. Calculate the loss of C.
The ratio of capitals of A, B, C is : : , after a year there was a loss of Rs. z.…