List of top Questions asked in CBSE Class X- 2026

Assertion (A) : Median of a data is the value of \(\frac{N}{2}\), where N represents sum of all frequencies.
Reason (R) : Median divides the whole distribution in two equal parts.
The total surface area of a solid cone of radius 7 cm and slant height 25 cm, is
Assertion (A) : For an acute angle \(\theta\), \(\cos \theta\) is always less than 1.
Reason (R) : In a right-angled triangle, hypotenuse is the longest side and \(\cos \theta = \frac{\text{Base}}{\text{Hypotenuse}}\).
The length of a pendulum is 70 cm and it describes an arc of length 88 cm when swings. The angle subtended by the arc at the centre is
A bag contains some red and some white balls. A ball is drawn at random from the bag. If the probability of getting a red ball is \(\frac{2}{7}\), then the probability of getting a white ball is
A card is drawn from a well-shuffled deck of 52 playing cards. The probability of getting a queen of spade is
In the given figure, DE $\parallel$ BC. If AD : AB = 1 : 3 and AE = 2.5 cm, then AC equals
If \(-26\), x, 2 are in A.P., then the value of x is
If value of \(\cot \theta\) is \(\sqrt{5}\), then \(\sin \theta\) equals
The graph of a polynomial \(p(x)\) is shown here. The number of zeroes of the polynomial \(p(x)\) is
The probability of getting sum greater than 10, when two dice are rolled together, is
A chord \(QR\) subtends an angle of \(105^\circ\) at the centre \(O\) of the circle. The measure of \(\angle RQP\) is
\(n^{\text{th}}\) term of the A.P. : \(-\frac{1}{3}, \frac{4}{3}, 3, \ldots\) is
The distance between the points \((-2, 5)\) and \((5, -2)\) is
The roots of the quadratic equation \(x^2 + 9 = 0\) are
A cylinder of radius \(r\) is surmounted on a hemisphere of same radius. If total height of the object is 13 cm, then its inner surface area is
7 $\times$ 11 $\times$ 13 + 5 is

Which of the following sequence is \(\textit{not }\)an A.P. ?
 

In a class test, Veer scored 6 more than twice as many marks as Kevin scored. If one of them had scored 4 more marks, their total score would have been 40. Find the marks obtained by Veer and Kevin.
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.
Explain why time is probably one of the most valuable possessions that one intensely regrets losing. \hfill (The Ball Poem)
If the HCF of 210 and 55 is expressed as \(210 \times 5 + 55m\), then find the value of \(m\).
The line segment joining the points \(P(-4, -2)\) and \(Q(10, 4)\) is divided by y-axis in the ratio
In human beings, the implantation of fertilised egg takes place in which part of female reproductive system?
(a) Why did many Europeans migrate to America after the sixteenth century? Explain. OR (b) How did trade and long distance travel contribute to the spread of diseases during the ancient period? Explain.