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Mathematics Questions

Browse 1,240 Mathematics questions with expert-verified, step-by-step solutions — NCERT, exemplar and previous-year questions, organised by chapter.

Chapters

  1. Q1121 CBSE Board 2026
    A bag contains balls out of which ​'' number of ​balls are blue ​in colour.
    1. (i)Find the probability that a ball drawn at random from the bag ​is not blue.
    2. (ii)If more blue balls are added in the bag, ​then ​the ​probability of ​drawing a blue ball will be times the probability of drawing a blue ball in the first case. Find the value of .
  2. Q1122 CBSE Board 2026
    Solve ​the system ​of ​linear ​equations ​and ​graphically.
  3. Q1123 CBSE Board 2026
    If , ​prove ​that .
  4. Q1124 CBSE Board 2026
    Two dice are rolled together. Find the ​probability that: ​
    1. (i)​the sum of the numbers obtained is . ​
    2. (ii)the product of ​the ​numbers obtained ​is .
  5. Q1125 CBSE Board 2026
    T is a ​point on the line PS produced ​of a parallelogram PQRS ​and ​QT intersects ​RS at V. Prove that .
  6. Q1126 CBSE Board 2026
    If are zeroes of ​the polynomial , then ​form ​a quadratic polynomial whose zeroes are ​and .
  7. Q1127 CBSE Board 2026
    Find the ​zeroes of the polynomial and verify the relationship ​between ​its zeroes and ​the coefficients.
  8. Q1128 CBSE Board 2026
    Prove ​that the tangent at any point of ​a circle is ​perpendicular ​to ​the ​radius ​through the point of contact.
  9. Q1129 CBSE Board 2026
    Two dice of different colours are ​thrown at the same time. Write down all the ​possible outcomes. What is ​the ​probability that :
    1. (i)same ​number appears on both the dice ?
    2. (ii)different number appears ​on both the dice ?
  10. Q1130 CBSE Board 2026
    Two dice are thrown at the same ​time. Determine ​the probability that the
    1. (i)sum of the ​numbers ​on the two dice is , and
    2. (ii)difference of ​the numbers on the ​two dice is .
  11. Q1131 CBSE Board 2026
    Chord ​of a circle subtends ​an angle of ​at the centre of ​the ​circle. Find the length of ​arc , if radius ​of the ​circle is cm.
    O A B 120°
    Chord AB subtending 120° at the centre O.
  12. Q1132 CBSE Board 2026
    A ​chord of a circle of diameter cm ​subtends an angle ​of at the centre . Find the area of ​the sector , ​where is a ​point on minor arc . ​Also, find the area of segment .
  13. Q1133 CBSE Board 2026
    Find ​the ​greatest number less than ​which ​is exactly divisible ​by , and .
  14. Q1134 CBSE Board 2026
    The ​dimensions of a window are cm cm. Arjun wants to put grill on the window ​creating complete squares of ​maximum ​size. Determine the ​side length of the square and hence find the number of squares formed.
  15. Q1135 CBSE Board 2026
    Find ​the ​mean ​of the ​following ​distribution :
  16. Q1136 CBSE Board 2026
    In the adjoining figure, is ​the diameter of the ​circle ​with centre . Two tangents and are drawn to the circle ​at points and ​respectively. Prove that . Further, a line touches the circle ​at and . ​Find ​the measure of .
    110° A D p O E B C q
  17. Q1137 CBSE Board 2026
    Two tangents and are drawn ​from an external point to a ​circle with ​centre ​as shown ​in the ​given figure. ​If , ​find the measures of each angle of .
    A B P O 15°
  18. Q1138 CBSE Board 2026
    The vertices of a rhombus are , , ​and . ​Find ​the length of ​both the diagonals. Hence, ​find area ​of ​the rhombus .
  19. Q1139 CBSE Board 2026
    In the given figure, is the ​tangent to ​the ​circle with ​centre such that cm, ​cm ​and . Find ​the length of .
    P O A B C
  20. Q1140 CBSE Board 2026
    The line ​segment ​joining the points and is trisected ​at the points ​and ​such that is ​nearer to . ​If lies on the line , then find the value of .