Number System Questions Practice Question and Answer
8 Q: Evaluate 743 x 999.
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638f3a7c58400a550dc9590b- 174257false
- 2784527false
- 3724457false
- 4742257true
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Answer : 4. "742257"
Q: Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?
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6321ae963169cb1b15677a45- 18false
- 24true
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Answer : 2. "4"
Q: The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.
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64225aaf5bff3d098d0b9904- 18false
- 216false
- 310true
- 412false
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Answer : 3. "10"
Q: A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by
916 0650d423410a18f5082eccafc
650d423410a18f5082eccafc- 111true
- 29false
- 35false
- 43false
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Answer : 1. "11"
Explanation :
Let the number be 10x + y
After interchanging the digits,
the number obtained = 10y + x
According to the question,
Resulting number
= 10x + y + 10y + x
= 11x + 11y
= 11 (x + y)
which is exactly divisible by 11.
Q: The least number that should be added to 35460 so that the sum is exactly divisible by 3, 4, 5 and 7 is:
913 0647f2fb9e72c4684a1e258a6
647f2fb9e72c4684a1e258a6- 1180false
- 2420false
- 3240true
- 484false
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Answer : 3. "240 "
Q: The product of two consecutive even numbers is 168. Find the sum of the numbers?
908 06321c6324eed097ecb532b62
6321c6324eed097ecb532b62- 120false
- 222false
- 324false
- 426true
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Answer : 4. "26"
Q: If a certain number of two digits is divided by the sum of its digits, the quotient is 6 and the remainder is 3. If the digits are reversed and the resulting number is divided by the sum of the digits, the quotient is 4 and the remainder is 9. The sum of the digits of the number is
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62bae8f525fd051a65533499- 112true
- 24false
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Answer : 1. "12"
Q: In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, find the dividend.
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