# Number System Aptitude Questions and Answers:

#### Overview:

 Questions and Answers Type: MCQ (Multiple Choice Questions). Main Topic: Quantitative Aptitude. Quantitative Aptitude Sub-topic: Number System Aptitude Questions and Answers. Number of Questions: 10 Questions with Solutions.

1. Find the difference between the local value and the face value of digit 4 in numeral 23465?

1. 396
2. 404
3. 0
4. 800

Solution: Place vaue or local value of digit 4 in 23465 = 400

And the face value of digit 4 in 23465 = 4

Hence the required difference. $$= 400 - 4$$ $$= 396$$

1. Find the product of the place value of two 7s in the numeral 410,720,475?

1. 700,070
2. 699,930
3. 49,000,000
4. 4,900,000

Solution: Place value of 7 in tenth place = 70

And the place value of 7 in place of hundred thousand place = 700,000

Hance required product. $$= 70 \times 700,000$$ $$= 49,000,000$$

1. Find the sum of the place value of digit 3 in the numeral 43502 and place value of digit 4 in the numeral 604378?

1. 12,000,000
2. 7,000
3. 1,000
4. 4,003

Solution: Place value of digit 3 in 43502 = 3,000

Place value of digit 4 in 604378 = 4,000

Hence required sum. $$= 3,000 + 4,000$$ $$= 7,000$$

1. Find the product of the face value of digit 5 and place value of digit 6 in the numeral 7256013?

1. 3,000
2. 6,005
3. 300,000
4. 30,000

Solution: Face value of digit 5 in 7256013 = 5

Place value of digit 6 in 7256013 = 6,000

Hence required product. $$= 5 \times 6,000$$ $$= 30,000$$

1. Find the sum and difference of the place value of digit 5 and face value of digit 3 in the numeral 2,503,681?

1. Sum = 500,003, Difference = 499,997
2. Sum = 499,997, Difference = 500,003
3. Sum = 500,000, Difference = 499,999
4. Sum = 500,006, Difference = 499,994

Answer: (a) Sum = 500,003, Difference = 499,997

Solution: Place value of digit 5 in 2503681 = 500,000

Face value of digit 3 in 2503681 = 3

Hence required sum. $$= 500,000 + 3$$ $$= 500,003$$ and the required difference. $$= 500,000 - 3$$ $$= 499,997$$