Mathematics

Mathematics is the science of numbers, quantity, structure, space, and change. It plays a crucial role in our daily lives—from basic calculations to complex problem-solving in science, engineering, technology, and finance.

Often described as the "language of the universe," mathematics helps us understand patterns, formulate new conjectures, and build logical frameworks for solving real-world problems. Its branches include arithmetic, algebra, geometry, trigonometry, calculus, and statistics, each with unique applications and significance.

Mathematics nurtures reasoning, critical thinking, and analytical skills, making it a foundational subject in education and a powerful tool across disciplines.

Question related to Mathematics

  1. Two dice are thrown together. Find the probability that the product of the numbers on the top of the dice is (i) 6 (ii) 12 (iii) 7
  2. Find the zeroes of the polynomial: p(x) = x² − 7x + 10 and verify the relation between zeroes and coefficients.
  3. A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid Rs 27 for a book kept for seven days, while Susy paid Rs 21 for the book she kept for five days. Find the fixed charge and the charge for each extra day
  4. If 1 + 4 + 7 + 10 + ⋯ + x = 287, find the value of x.
  5. Which term of the given AP : 3, 8, 13, 18, . . . ,is 78?
  6. Factorise: (a – b)³ + (b – c)³ + (c – a)³
  7. Simplify: (-8) + 15 - (-6)
  8. Find the 17th term from the end of the AP: 1, 6, 11, 16 ... ... 211, 216.
  9. A coin is tossed two times. Find the probability of getting at most one head.
  10. Using identities, evaluate 8.56 × 11.60
  11. Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male fish and 8 female fish. What is the probability that the fish taken out is a male fish?
  12. If the zeroes of the quadratic polynomial p(x) = ax² + bx + c are reciprocal of each other, prove that c = a.
  13. Three cubes of a metal whose edges are in the ratio 3:4:5 are melted and converted into a single cube whose diagonal is 12 3 cm. Find the edges of the three cubes.
  14. Give an example of a monomial and a binomial having degrees of 82 and 99, respectively.
  15. Calculate the volume of a cuboidal box whose dimensions are 5x, 3x², and 7x^4.
  16. If a³ = 729, find the value of a².
  17. Find the cube root of 64 × 125 × 8 × 27
  18. If the 2nd term of an AP is 13 and the 5th term is 25, then its 7th term is
  19. If the cube of a number ends in 1, what will be the unit digit of the number?
  20. For what value of k will k + 9, 2k − 1 and 2k + 7 are the consecutive terms of an A.P.?
  21. A cube’s volume increases from 27 cm³ to 64 cm³. Find the percentage increase in its edge.
  22. A river 3 meters deep and 40 meters wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?
  23. Find the cube root of the product of 64 and 125.
  24. At what rate will Rs 1,000 amount to Rs 1,250 in 5 years?
  25. In a school there are two sections – section A and section B of class X. There are 32 students in section A and 36 students in section B. Determine the minimum number of books required for their class library so that they can be distributed equally among students of section A or section B.
  26. For what value of k will the consecutive terms 2k + 1, 3k + 3 and 5k − 1 form an A.P.?
  27. The number of multiples of 4 between 10 and 250 is:
  28. A die is thrown once. Find the probability of getting (i) a prime number; (ii) a number lying between 2 and 6; (iii) an odd number
  29. Subtract (-12) from 8.
  30. Find the smallest number that is divisible by 6, 10, and 15, and leaves a remainder of 5 in each case.