Q) While shuffling a pack of 52 cards, one card was accidently dropped. Find the probability that the dropped card(i) is not a face card.(ii) is a black king. PYQ: Q 25 – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: (ii) Probability to get a non – face card: [Note: […]
Q) AD and PS are medians of triangles ABC and PQR respectively such that Δ ABD ~ Δ PQS. Prove that Δ ABC ~ Δ PQR. PYQ: Q 24 – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: Step 1: Let’s first draw a diagram for the given question: [Note: prefer
Q) If sin A = y, then express cos A and tan A in terms of y. PYQ: Q 23(b) – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: Given that sin A = y. [Approach: Now, if we need to find cos A in terms of y and once
If sin A = y, then express cos A and tan A in terms of y. Read More »
Q) It is given that sin (A – B) = sin A cos B – cos A sin B. Use it to find the value of sin 15°. PYQ: Q 23(a) – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: Step 1: Here, we need to find value of sin 15°.
Q) Solve for x and y : √2 x + √3 y = 5 and √3 x – √8 y = -√6 PYQ: Q 21 (b) – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: To solve for x and y, we need to solve the given system of equations: √2
Solve for x and y : √2 x + √3 y = 5 and √3 x – √8 y = -√6 Read More »
Q) The cost of 2 kg apples and 1 kg of grapes on a day was found to be ₹320. The cost of 4 kg apples and 2 kg grapes was found to be ₹600. If the cost of 1 kg of apples is x and 1 kg of grapes is y, represent the given
Q) The coordinates of the end points of the line segment AB are A(-2, -2) and B(2, -4). P is the point on AB such that BP = AB. Find the coordinates of point P. PYQ: Q 22 – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: Step 1: Given
Q) An unbiased coin is tossed. If the outcome is a head, then a pair of unbiased dice is rolled and the sum of the numbers obtained on them is noted. If the toss of the coin results in a tail, then a card from a well-shuffled pack of nine cards numbered 1,2,3,…. 9 is randomly
Q) Find the angle between the pair of straight lines: x – 4 y = 3 and 6 x – y = 11. [Practice Paper 1, 2023-24, Dir of Edu, GNCT of Delhi] Ans: The equations of the lines are x – 4y = 3 and 6 x – y
Find the angle between the pair of straight lines x-4y=3 and 6x-y=11 Read More »
Q) A bag contains 6 red, 4 white and 8 blue balls. If three balls are drawn at random, find the probability that: (i) One is red and two are white (ii) Two are blue and one is red (iii) One is red [Practice Paper 1, 2023-24, Dir of Edu,
A bag contains 6 red, 4 white and 8 blue balls. If three balls are Read More »