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Numbers and Quantification — Practice Quiz

CBSE · Class 11 · Applied Mathematics

Try a 4-question quiz on Numbers and Quantification for CBSE Class 11 Applied Mathematics: tap an answer to check it and see why.

45 questions22 flashcards4 formulas & key relations5 concepts

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Quick Quiz: Numbers and Quantification

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

What is the prime factorization of 60?

2

Convert the binary number (1011)₂ to decimal.

3

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

4

Calculate log₁₀(100).

45 Questions·
multiple choicemultiple correcttext answer

Sample Questions

1multiple correct

Using the Sieve of Eratosthenes method, which numbers would be eliminated when crossing out multiples of 2 from the list 1 to 20?

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4, 6, 8, 12

When using Sieve of Eratosthenes, after keeping 2 as prime, we eliminate all its multiples: 4, 6, 8, 10, 12, 14, 16, 18, 20. Among the options, 4, 6, 8, and 12 are multiples of 2. 3 and 15 are not multiples of 2.

2multiple choice

Convert 25 to binary.

Show answer

(11001)₂

25 ÷ 2 = 12 remainder 1; 12 ÷ 2 = 6 remainder 0; 6 ÷ 2 = 3 remainder 0; 3 ÷ 2 = 1 remainder 1; 1 ÷ 2 = 0 remainder 1. Reading remainders from bottom to top: (11001)₂. Check: 1×16 + 1×8 + 0×4 + 0×2 + 1×1 = 25.

3multiple choice

What is the complex conjugate of 2 - 5i?

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2 + 5i

The complex conjugate of a + bi is a - bi. For 2 - 5i, we change the sign of the imaginary part: 2 - (-5)i = 2 + 5i. The real part stays the same, only the imaginary part changes sign.

4multiple choice

Simplify log₂(8) + log₂(4).

Show answer

5

Using the property log(a) + log(b) = log(ab): log₂(8) + log₂(4) = log₂(8 × 4) = log₂(32). Since 2⁵ = 32, log₂(32) = 5. Alternatively: log₂(8) = 3, log₂(4) = 2, so 3 + 2 = 5.

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Frequently Asked Questions

What are the important topics in Numbers and Quantification for CBSE Class 11 Applied Mathematics?
Key topics in Numbers and Quantification include Prime Numbers and Their Properties, RSA Cryptography and Applications, Binary Number System, Complex Numbers (Preliminary). Study these first, then practise questions on each for Class 11 exams.
How many practice questions are there for Numbers and Quantification?
There are 45 questions on Numbers and Quantification. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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