CBSE Board Papers Class 10 - 2014 - Mathematics - Question 9
Question - In Figure 1, common tangents AB and CD to the two circles with centres 0_1and 0_2 intersect at E. Prove that AB = CD. ------Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important top......
CBSE Board Papers Class 10 - 2013 - Mathematics - Question 9
Question - Prove that the parallelogram circumscribing a circle is a rhombus.Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important topics with an awesome teacher.- Get your doubts and question......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 15
Question - The angle of elevation of an aeroplane from a point on the ground is 60°. After a flight of 30 seconds the angle of elevation becomes 30° If the aeroplane is flying at a constant height of 3000--- 3 m, find the speed of the aeroplane.Vedan......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 27
Question - A container open at the top, is in the form of a frustum of a cone of height 24 cm with radii of its lower and upper circular ends, as 8 cm and 20 cm respectively. Find the cost of milk which can completely fill the container. at the rate......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 31
Question - Solve for x : ..........Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important topics with an awesome teacher.- Get your doubts and questions resolved instantly by booking an instan......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 20
Question - In Figure 3, two concentric circles with centre 0, have radii 21cm and 42 em.If --- AOB = 60°, find the area of the shaded region. [Use ------]Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revisi......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 17
Question - Water in a canal, 6 m wide and 1.5 m deep, is flowing at a speed of 4 km/h. How much area will it irrigate in 10 minutes, if 8 cm of standing water is needed for irrigation?Vedantu - Your Personal Teacher Online- Get an clear edge over oth......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 18
Question - In Figure 2, ABCD is a trapezium of area 24.5 sq. cm. In it, AD|| BC, ----DAB = 90°, AD = 10 cm and BC = 4 cm. If ABE is a quadrant of a circle, find the area of the shaded region. [ Use ------ ]Vedantu - Your Personal Teacher Online- Get......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 33
Question - A(4, - 6), B(3,- 2) and C(5, 2) are the vertices of a 8 ABC and AD is its median.Prove that the median AD divides 8 ABC into two triangles of equal areas.Vedantu - Your Personal Teacher Online- Get an clear edge over other students by cons......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 26
Question - 150 spherical marbles, each of diameter 1.4 cm, are dropped in a cylindrical vessel of diameter 7 cm containing some water, which are completely immersed in water. Find the rise in the level of water in the vessel.Vedantu - Your Personal T......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 29
Question - A motorboat whose speed in still water is 18 km/h, takes 1 hour more to go 24 kmupstream than to return downstream to the same spot. Find the speed of thestream.Vedantu - Your Personal Teacher Online- Get an clear edge over other students......
CBSE Board Papers Class 10 - 2014 - Mathematics - Question 30
Question - In a school, students decided to plant trees in and around the school to reduce airpollution. It was decided that the number of trees, that each section of each class willplant, will be double of the class in which they are studying. If th......
CBSE Board Papers Class 10 - 2013 - Mathematics - Question 10
Question - Two circular pieces of equal radii and maximum area, touching each other are cut out from a rectangular card board of dimensions 14 cm ---- 7 cm. Find the area of the remaining card board. [Use ------]Vedantu - Your Personal Teacher Online......
CBSE Board Papers Class 10 - 2012 - Mathematics - Question 27
Question - The 16th term of an AP is 1 more than twice its 8th term. If the 12th term of the AP is 47, then find its nth term.Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important topics with......
CBSE Board Papers Class 10 - 2012 - Mathematics - Question 29
Question - A bucket is in the form of a frustum of a cone and its can hold 28.49 litres of water. If the radii of its circular ends are 28 cm and 21 cm, find the height of the bucket. -------Vedantu - Your Personal Teacher Online- Get an clear edge o......
CBSE Board Papers Class 12 - 2014 - Mathematics - Question 29
Question - Evaluate : .........Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important topics with an awesome teacher.- Get your doubts and questions resolved instantly by booking an instant liv......
CBSE Board Papers Class 10 - 2013 - Mathematics - Question 29
Question - Sum of the areas of two squares is 400 cm^2. If the difference of their perimeters is 16 cm, find the sides of the two squares.Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important......
CBSE Board Papers Class 12 - 2014 - Mathematics - Question 24
Question - Using integration, find the area of the region bounded by the triangle V whose vertices are (-1, 2), (1, 5) and (3, 4).Vedantu - Your Personal Teacher Online- Get an clear edge over other students by constant revision of important topics w......
CBSE Board Papers Class 10 - 2013 - Mathematics - Question 27
Question - bucket open at the top, and made up of a metal sheet is in the form of a frustum of a cone. The depth of the bucket is 24 cm and the diameters of its upper and lower circular ends are 30 cm and 10 cm respectively. Find the cost of metal sh......
CBSE Board Papers Class 10 - 2014 - Chemistry - Question 9
Question - The elements Be, Mg and Ca each having two electrons in their outermost shells arein periods 2, 3, and 4 respectively of the modern periodic table. Answer the following questions, giving justification in each case:(i) Write the group to wh......
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