Ncert solutions for class 10 maths chapter 13 optional exercise
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Find the surface area of the resulting cuboid. It is filled with water up to the brim. The total height of the toy is 15. It is not possible to just look at a pen and tell whether or not it is defective. A tent is in the shape of a cylinder surmounted by a conical top.

Here the curved surface of the hemisphere is a depression, unlike a projection in the previous question Total Surface Area Question 6: A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. Number of Plants 0-2 2-4 4-6 6-8 8-10 10-12 12-14 Number of Houses 1 2 1 5 6 2 3 Which method did you use for finding the mean, and why? The length of the entire capsule is 14 mm and the diameter of the capsule is 5 mm. A solution of a pair of linear equations in two variables algebraically — by substitution, by elimination and by cross multiplication method. The radius of each of the depressions is 0. One bulb is drawn at random from the lot. Volume of water irrigating the required area will be equal to the volume Of water that flowed n 30 minutes from the canal. Find the height of the cylinder.

Derive the formula for the curved surface area and total surface area of the frustum of a cone, given to you in Section 13. Also please like, and share it with your friends! What is the diameter of hemisphere? A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. The following was the distribution of mangoes according to the number of boxes. Find the volume and surface area of the double cone so formed. Also find the cost of metal sheet used to make the container, if it costs Rs 8 per 100 cm 2.

Give reasons for your answer. Two dice are thrown at the same time and the product of numbers appearing on them is noted. Also find the cost of metal sheet used to make the container, if it costs Rs 8 per 100 cm 2. Porous bricks are placed in the water until the cistern is full to the brim. Find the volume of water left in the cylinder, if the radius of the cylinder is 60 cm and its height is 180 cm. Find the number of such cones which can be filled with ice-cream. How many would each get, if the number of the children is reduced by 4? The ice cream is to be filled into cones of height 12 cm and diameter 6 cm, having a hemispherical shape on the top.

If the areas of two similar triangles are equal, prove that they are congruent. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the curved surface area of the frustum. The dimensions of the cuboid are 15 cm by 10 cm by 3. Therefore, each of them has a probability. If the height of the conical heap is 24 cm, find the radius and slant height of the heap.

Which of the following experiments have equally likely outcomes? Find the length and mass of the wire, assuming the density of copper to be 8. Find the mass of the pole, given that 1 cm3 of iron has approximately 8g mass. Two dice, one blue and one grey, are thrown at the same time. Find the missing frequency f. If it is equally likely that one of the coins will fall out when the bank is turned upside down, what is the probability that the coin i will be a 50 p coin? The diameters of its two circular ends are 4 cm and 2 cm. If the height of the cylinder is 10 cm, and its base is of radius 3.

The ages of Cathy and Dharam differ by 30 years. Answer Tent is combination of cylinder and cone. In case of a right triangle, write the length of its hypotenuse. One card is drawn from a well-shuffled deck of 52 cards. Draw the graphs of the equations and Determine the co-ordinate of the vertices of the triangle formed by these lines and the axis. Solution: Volume of frustum will be equal to the volume of wire and by using this relation we can calculate the length of the wire.

To keep the wire taut, let it be fixed to a stake at A. The radius of each of the depress ons is 0. Proof of their existence well defined ; motivate the ratios whichever are defined at 0 o and 90 o. It will help you stay updated with relevant study material to help you top your class! Find the height of the cylinder. So, this is not in inverse proportion. Also, find the cost of the canvas of the tent at the rate of Rs 500 per m 2.

If first term is 1, find the sum of first 30 terms of this A. Problems should not involve more than two right triangles. The ice cream is to be filled into cones of height 12 cm and diameter 6 cm, having a hemispherical shape on the top. The topics and sub-topics in Chapter 13 Surface Areas and Volumes 13. Let the age of Ani and Biju be x years and y years respectively.

How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed? Find the height of the embankment. Find the height of the embankment. Download Vedantu to get a better understanding of all the exercises questions. After you have studied lesson, you must be looking for answers of its questions. It is filled with water up to the brim. Two dice are thrown together. Prove that the sum of the squares of the sides of a rhombus is equal to the sum of squares of its diagonals.