WORD PROBLEMS RELATED TO LINEAR EQUATIONSCLASS 7TH, 8TH, 9TH & 10TH Q.1) Tarun ‘s present age is three times the present age of his sister Taru. Five years from now, he will be twice the age of his sister. Find their present ages. SOLUTIONs : Let the age of Taru be x years. So, Tarun’s […]
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LINEAR EQUATIONS WORD PROBLEMS FOR CLASS 5TH T0 10TH Q.1) Ina stationery shop, the cost of a pen is Rs.5 less then the cost of a notebook. Jasmeet bought 5 pens and 3 notebooks from the shop. If she paid Rs.127 to the shopkeeper, what is the cost of each item ? SOLUTION: Given: Find
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WORD PROBLEMS RELATED TO MENSURATION CLASS 8th, 9th AND 10th Q.1] Find the area of the polygon given below . Solution : Area of polygon RSTUV = Area of △RUV + Area of △RTU + Area of △RST = 1/2 RU x VA + 1/2RU x UT + 1/2 RT x SB Also , △RTU
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WORD PROBLEMS ON MENSURATION FOR CLASS 8TH,9TH,10TH MENSURATION : Q 1]. ABCD and WXYB are two identical squares as shown in the figure given , with side of length 8cm . If P is the midpoint of AD and WX . Find the area of the hexagon BCDPXYB. Solution : So , ∠A = ∠W
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POINTS TO REMEMBER RELATED TO THREE DIMENSIONAL SHAPES :CLASS 5TH, 6TH, 7TH, 8TH, 9TH & 10TH READ : REPEAT : LEARN MUST KNOW THESE POINTS : 1) An object that occupies space is called a solid. 2) Shapes of solids are known as three – dimensional shapes. CUBOID3a) A cuboid has length, breadth and height.
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WORD PROBLEMSRELATED TO MENSURATIONFOR CLASS 8TH , 9TH ,10TH Q 1.] A fixed open cylindrical metal tank having radius 4.9m and height 7.5m is to be painted from inside and outside . What will it cost at the rate of rupees 10 per m2 ? Solution : Fixed Open Cylindrical Metal Tank Given : Radius
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WORD PROBLEMS RELATED TO MENSURATION CLASS 8th, 9th AND 10th Q.1) An open cylindrical box of height 20cm and diameter 21cm is to be made using a cardboard. Find the area of the cardboard required to make the box. SOLUTION: OPEN CYLINDRICAL BOX Given: Height = 20cm Diameter = 21cm Radius = 21 / 2
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WORD PROBLEMS RELATED TO MENSURATION CLASS 8th, 9th, AND 10th Q.1 ) Six solid cubical stools with edge 65cm are to be painted red on all the sides. Find the quantity of paint required to paint 6 cubical stools if one can of paint is required to paint 11,700cm2 of area. SOLUTION: Given: No. of
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WORD PROBLEMS RELATED TO MENSURATION: CLASS 7TH, 8TH, 9TH & 10TH Q.1) Find the diagonal of a rectangle whose area is 60cm2 and wide 5 cm. SOLUTION : RECTANGLE GIVEN : Area = 60 cm2 width = B = 5 cmFind : diagonal of the rectangle = hypotenuse side = ? Step 1) Area =
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POINTS TO KNOW : RELATED TO QUADRILATERAL CLASS 6th, 7th, 8th, 9th & 10th POINTS TO REMEMBER:- 1) ( i ) A quadrilateral which has exactly one pair of parallel sides is called a trapezium. ( ii ) A quadrilateral in which both pairs of opposite sides are parallel is called a parallelogram. ( iii
Math Quadrilateral Made Great : With Important Points For Class 6th.7th.8th.9th.10th[1] Read More »