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Q) Prove that the tangent at any point of a circle is perpendicular to the radius through the point of contact. (Q 31A – 30/2/2 – CBSE 2026 Question Paper) Ans: Step 1: Let’s make a diagram for better understanding of the question: Here, we have a circle with center O and IB is its […]
March 2026
Q) If the median of the following frequency distribution is 32.5. Find the values of X and Y : (Q 32 – 30/2/2 – CBSE 2026 Question Paper) Ans: Step 1: Let’s re-organize the data in the frequency table to find out each part: Step 2: Given that the total of frequencies = 40 ∴Â
Q) Aarush bought 2 pencils and 3 chocolates for Rs. 11 and Tanish bought 1 pencil and 2 chocolates for Rs. 7 from the same shop. Represent this situation in the form of a pair of linear equations. Find the price of 1 pencil and 1 chocolate, graphically. (Q 33 – 30/2/2 – CBSE 2026
Q) In a flight of 600 km, an aircraft slowed down its speed due to bad weather. Its average speed for the trip reduced by 200 km/h from its usual speed and time of flight increased by 30 minutes. Find the scheduled duration of the flight. (Q 34 A – 30/2/2 – CBSE 2026 Question
Q) Two pipes are used to fill a swimming pool. If the pipe of the larger diameter is used for 4 hours and the pipe of the smaller diameter for 9 hours, only half of the pool can be filled. Find how long it would take for each pipe to fill the pool, separately, if
Q) As shown in the given figure, a girl of height 90 cm is walking away from the base of a lamp post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her shadow after 4 seconds. (Q 35 B – 30/2/2 – CBSE 2026
Q) Tejas is standing at the top of a building and observes a car at an angle of depression of 30° as it approaches the base of the building at a uniform speed. 6 seconds later, the angle of depression increases to 60°, and at that moment, the car is 25 m away from the
Q) On a Sunday your parents took you to a fair. You could see lot of toys displayed and you wanted them to buy a Rubik’s cube and a strawberry ice-cream for you. Based on the information given above, answer the following questions:(i)  Find the length of the diagonal of Rubik’s cube if each
Q: Your elder brother wants to buy a car and plans to take a loan from a bank for his car. He repays his total loan of ₹ 1,18,000 by paying every month, starting with the first instalment of ₹ 1,000 and he increases the instalment by ₹ 100 every month. Based on the information
Q) Prove that the perpendicular at the point of contact to the tangent to a circle passes through the centre. 9th Class Maths – NCERT Important Questions Ans: Step 1: Let’s make a diagram for better understanding of the question: Here, PT is the tangent to a circle with center O. We have drawn QT