question_answer1) If the angle remains the same, the values of the trigonometric ratios of the angle (a) vary with the change in length of the sides of the trangle (b) do not vary with the change in length of the sides of the triangle. (c) vary with the change in length of hypotenuse only (d) do not vary with the change in length of hypotenuse only.View Answer play_arrow
question_answer10) Draw the graphs of the equations x y 1 0 and 3x 2y 12 0. Determine the coordinates of the vertices of the triangle formed by these lines and the X-axis and shade the triangular region.View Answer play_arrow
question_answer27) It can take 12 h to fill a swimming pool using two pipes. if the pipe of larger diameter is used for 4 h and the pipe of smaller diameter is used for 9 h, only half of the pool can be filled. How long would it take for each pipe to fill the pool separately? OR A man starts his job with a certain monthly salary and earns a fixed increment every year. If his salary was ` 1500 after 4 yr of service and ` 1800 after 10 yr of service. What was his starting salary and what is the annual increment?View Answer play_arrow
|Number of families||16||12||18||6||4|
question_answer31) A trader was moving along a road selling eggs. An idler who did not have much work to do, started to get the trader into a wordy duel. This grew into a fight, he pulled the basket with eggs and dashed it on the floor, then eggs are broken. The trader requested to the panchayat to say the idler to pay for broken eggs. (i) The panchayat asked the trader how many eggs were in this basket? He gave the following response If counted in pairs, one will remain. If counted in 3, two will remain. If counted in 4, three will remain. If counted in 5, four will remain. If counted in 6, five will remain, if counted in 7, nothing will remain, my basket cannot accomodate more than 150 eggs. So, how many eggs were there? (ii) Which Mathematical concept will be used for solving the question? (iii) What value of the trader shows in the question?View Answer play_arrow
|10-30 30-50 50-70 70-90 90-110 110-130||5 8 20 2|
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