Q)Â Obtain the zeroes of the polynomial 7 x2Â + 18 x – 9 Hence, write a polynomial each of whose zeroes is twice the zeroes of given polynomial. PYQ: Q 27 – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans:Â VIDEO SOLUTION STEP BY STEP SOLUTION Step 1: Given polynomial equation […]
July 2025
Q)Â State true or false for each of the following statements and justify in each case:(i) 2 x 3 x 5 x 7 + 7 is a composite number.(ii) 2 x 3 x 5 x 7 + 1 is a composite number. PYQ: Q 26(b) – CBSE 2025 – Code 30 – Series 5 – Set
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) Â 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:Â 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