[ Number System MCQS ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ Number System MCQS ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

31. Binary संख्या 10101 का decimal मान क्या है?

[A] 20

[B] 21

[C] 22

[D] 23

31. What is decimal value of binary 10101?

[A] 20

[B] 21

[C] 22

[D] 23

सही उत्तर: 21

व्याख्या: 10101 (binary) = 21 (decimal)

Correct Answer: 21

Explanation: Binary 10101 equals 21 in decimal

32. Decimal 25 का binary रूप क्या है?

[A] 11001

[B] 11010

[C] 10101

[D] 11101

32. What is binary form of decimal 25?

[A] 11001

[B] 11010

[C] 10101

[D] 11101

सही उत्तर: 11001

व्याख्या: 25 = 11001 (binary)

Correct Answer: 11001

Explanation: Decimal 25 equals 11001 in binary

33. Octal संख्या प्रणाली का base क्या होता है?

[A] 2

[B] 8

[C] 10

[D] 16

33. What is the base of octal number system?

[A] 2

[B] 8

[C] 10

[D] 16

सही उत्तर: 8

व्याख्या: Octal system का base 8 होता है।

Correct Answer: 8

Explanation: Octal number system has base 8

34. Hexadecimal में F का decimal मान क्या होता है?

[A] 13

[B] 14

[C] 15

[D] 16

34. What is decimal value of F in hexadecimal?

[A] 13

[B] 14

[C] 15

[D] 16

सही उत्तर: 15

व्याख्या: Hexadecimal में F = 15 होता है।

Correct Answer: 15

Explanation: F in hexadecimal equals 15

35. Binary 1110 का decimal मान क्या है?

[A] 12

[B] 13

[C] 14

[D] 15

35. What is decimal value of binary 1110?

[A] 12

[B] 13

[C] 14

[D] 15

सही उत्तर: 14

व्याख्या: 1110 = 14 (decimal)

Correct Answer: 14

Explanation: Binary 1110 equals 14 in decimal

36. Decimal 12 का binary क्या होगा?

[A] 1100

[B] 1010

[C] 1001

[D] 1110

36. What is binary form of decimal 12?

[A] 1100

[B] 1010

[C] 1001

[D] 1110

सही उत्तर: 1100

व्याख्या: 12 = 1100 (binary)

Correct Answer: 1100

Explanation: Decimal 12 equals 1100 in binary

37. कंप्यूटर किस number system पर काम करता है?

[A] Binary

[B] Decimal

[C] Octal

[D] Hexa

37. On which number system does computer work?

[A] Binary

[B] Decimal

[C] Octal

[D] Hexa

सही उत्तर: Binary

व्याख्या: कंप्यूटर केवल binary system use करता है।

Correct Answer: Binary

Explanation: Computer works on binary system

38. Binary 10010 का decimal मान क्या है?

[A] 16

[B] 17

[C] 18

[D] 19

38. What is decimal value of binary 10010?

[A] 16

[B] 17

[C] 18

[D] 19

सही उत्तर: 18

व्याख्या: 10010 = 18 (decimal)

Correct Answer: 18

Explanation: Binary 10010 equals 18 in decimal

39. Decimal 16 का binary क्या होगा?

[A] 10000

[B] 10001

[C] 11000

[D] 11100

39. What is binary form of decimal 16?

[A] 10000

[B] 10001

[C] 11000

[D] 11100

सही उत्तर: 10000

व्याख्या: 16 = 10000 (binary)

Correct Answer: 10000

Explanation: Decimal 16 equals 10000 in binary

40. Binary 11111 का decimal मान क्या है?

[A] 30

[B] 31

[C] 32

[D] 33

40. What is decimal value of binary 11111?

[A] 30

[B] 31

[C] 32

[D] 33

सही उत्तर: 31

व्याख्या: 11111 = 31 (decimal)

Correct Answer: 31

Explanation: Binary 11111 equals 31 in decimal