# Number Conversion - Practice Test

## 6 Questions MCQ Test UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making | Number Conversion - Practice Test

Description
Attempt Number Conversion - Practice Test | 6 questions in 12 minutes | Mock test for UPSC preparation | Free important questions MCQ to study UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making for UPSC Exam | Download free PDF with solutions
QUESTION: 1

### Convert 56 from decimal to hexadecimal.

Solution:

5610 = 1×25 + 1×24 + 1×23 + 0×22 + 0×21 + 0×20 = 1110002 = 0011 10002 = 38H

QUESTION: 2

### Convert 273 from decimal to hexadecimal.

Solution:

27310 = 1×28 + 0×27 + 0×26 + 0×25 + 1×24 + 0×23 + 0×22 + 0×21 + 1×20 = 1000100012 = 0001 0001 00012 = 111H

QUESTION: 3

### Question 2: Convert 1AA from hexadecimal to decimal.

Solution:

1×162 + 10×16 + 10 = 426.

QUESTION: 4

Convert 4B from hexadecimal to decimal.

Solution:

4×16 + B = 75.

QUESTION: 5

Convert 112 from decimal to binary.

Solution:

112 = 64 + 32 + 16 = 1×26 + 1×25 + 1×24 + 0×23 + 0×22 + 0×21 + 0×20 = 11100002

QUESTION: 6

Question 1: Convert 10010001 from unsigned binary to hexadecimal.

Solution:

10012 = 910 and 00012 = 110.
100100012 = 9110

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