Number System Questions Practice Question and Answer
8 Q: Any six-digit number that is formed by repeating a three-digit number, is always divisible by:
787 0647f51c9f4063d472f2d2636
647f51c9f4063d472f2d2636- 1111false
- 21001true
- 319false
- 4101false
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Answer : 2. "1001"
Q: If the 8 digit number 789x531y is divisible by 72, then the value of (5x - 3y) will be?
780 0631830eed9ac741324d7846c
631830eed9ac741324d7846c- 10false
- 2-1true
- 32false
- 41false
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Answer : 2. "-1"
Q: Which of the following fraction is the smallest?
$$7\over 6 $$,$$7\over 9$$,$$4\over 5$$,$$5\over 7$$
777 065081b75e918d9427f49639d
65081b75e918d9427f49639d- 1$$7\over 6 $$false
- 2$$7\over 9$$false
- 3$$4\over 5$$false
- 4$$5\over 7$$true
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Answer : 4. "$$5\over 7$$"
Explanation :

Q: Which of the following is the least 6-digit number that is divisible by 93?
774 064476f9acd6ea382cf8175b0
64476f9acd6ea382cf8175b0- 1100065false
- 2100070false
- 3100075false
- 4100068true
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Answer : 4. "100068"
Q: If all the vowels are arranged in alphabetical order from left to right and after that, all the consonants are arranged in alphabetical order from left to right of the word ‘ALONGWITH’, then which letter is fourth from the right end?
773 064d3464f90a003851dde838d
64d3464f90a003851dde838d- 1Tfalse
- 2Ltrue
- 3Gfalse
- 4Ofalse
- 5Wfalse
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Answer : 2. "L"
Q: A number when divided by 899 gives a remainder 63. If the same number is divided by 29, the remainder will be
764 06508274200fe54b911b52bdf
6508274200fe54b911b52bdf- 110false
- 25true
- 34false
- 42false
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Answer : 2. "5"
Explanation :
Solution: $${Remainder\over 29}={7\over 9}$$
=> remainder (शेषफल)=5
Q: The sum of the squares of two natural consecutive odd numbers is 394. The sum of the numbers is –
744 06303357ffef7996822e8f226
6303357ffef7996822e8f226- 124false
- 232false
- 340false
- 428true
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Answer : 4. "28"
Explanation :
Let the consecutive odd numbers be x and (x+2)
We know that x2 + (x + 2)2 = 394
We know x2 + x2 + 4x + 4 = 394
We know 2 x2 +4x – 390 = 0
We know x2 + 2x – 195 = 0
We know (x +15) (x-13) = 0
We know x = 13
We know Required sum = 13 +15 =28
Q: Twenty-one time of a positive number is less than its square by 100. The value of the positive number is
740 0638610291f68323fe0f72404
638610291f68323fe0f72404- 125false
- 226false
- 342true
- 441false
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