CBSE Class 11 Applied Mathematics — Important Questions 2026

What is the prime factorization of 60?

Convert the binary number (1011)₂ to decimal.

What is the modulus (absolute value) of the complex number 3 + 4i?

Calculate log₁₀(100).

The average marks of 40 students in a class is 75. If 5 students with average marks 60 join the class, what is the new average?

At what time between 3 and 4 o'clock will the hands of a clock coincide?

A can complete a work in 12 days and B can complete the same work in 18 days. If they work together, how many days will it take to complete the work?

A cylindrical tank has radius 7 cm and height 10 cm. What is its volume? (Use π = 22/7)

If A = {1, 2, 3, 4, 5} and B = {3, 4, 5, 6, 7}, find n(A ∪ B).

If A = {2, 4, 6, 8} and B = {1, 3, 5, 7}, find A ∩ B.

In a class of 50 students, 30 like Mathematics and 25 like Science. If 15 students like both subjects, how many students like neither subject?

If U = {1, 2, 3, 4, 5, 6, 7, 8} and A = {2, 4, 6, 8}, find A'.