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Q) Alia and Shagun are friends living on the same street in Patel Nagar. Shagun’s house is at the intersection of one street with another street on which there is a library. They both study inthe same school and that is not far from Shagun’s house. Suppose the school is situated atthe point O, i.e., […]
Q) Using graphical method, find whether following system of linear equations x = 0 and y = – 7 is consistent or not. Ans:Â VIDEO SOLUTION STEP BY STEP SOLUTION Step 1: Construction: On a graph paper, plot or draw x = 0 next, draw y = – 7 Step 2: Intersection point: check if
Q)Â Â India is competitive manufacturing location due to the low cost of manpower and strong technical and engineering capabilities contributing to higher quality production runs. The production of TV sets in a factory increases uniformly by a fixed number every year. It produced 16000 sets in 6th year and 22600 in 9th year. 1) In
India is competitive manufacturing location due to the low cost of manpower and Read More »
Q) One evening, Kaushik was in a park. Children were playing cricket. Birds were singing on a nearby tree of height 80m. He observed a bird on the tree at an angle of elevation of 45°. When a sixer was hit, a ball flew through the tree frightening the bird to fly away. In 2 seconds,
One evening, Kaushik was in a park. Children were playing cricket. Birds were singing Read More »
Q)Â Tharunya was thrilled to know that the football tournament is fixed with a monthly timeframe from 20th July to 20th August 2023 and for the first time in the FIFA Women’s World Cup’s history, two nations host in 10 venues. Her father felt that the game can be better understood if the position of players
Q)Â Manpreet Kaur is the national record holder for women in the shot-put discipline. Her throw of 18.86m at the Asian Grand Prix in 2017 is the maximum distance for an Indian female athlete. Keeping her as a role model, Sanjitha is determined to earn gold in Olympics one day. Initially her throw reached 7.56m
Q) The median of the following data is 50. Find the values of ‘p” and ‘q’, if the sum of all frequencies is 90. Also find the mode of the data. Ans: Let’s re-organize the data in the frequency table and calculate the values: The sum of all frequencies, By summing up the families, we
Q) A tent is in the shape of a cylinder surmounted by a conical top. If the height and radius of the cylindrical part are 3 m and 14 m respectively, and the total height of the tent is 13.5 m, find the area of the canvas required for making the tent, keeping a provision
Q) Water is flowing at the rate of 15 km/h through a pipe of diameter 14 cm into a cuboidal pond which is 50 m long and 44 m wide. In what time will the level of water in pond rise by 21 cm? What should be the speed of water if the rise in
Q) In the given figure, ∠CEF = ∠CFE. F is the midpoint of DC. Prove that . Ans: Step 1: From given conditions:  ∵  ∠CEF = ∠CFE ∴ CE = CF (sides of opp. Angles) 2. ∵  F is midpoint of CD ∴ FD = CF ∴ CE = CF =