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Quantitative Aptitude :: Number System Problems And Answers


Number System Formulaes

Quantitative Aptitude
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21. Sum of the two number is 14 and difference of their square is 28. Find the numbers.
A. 8 and 6 B. 9 and 5
C. 4 and 10 D. 3 and 10
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22. When a number divided by 288, the remainder is 47. Find the remainder when the same number is divided by 24.
A. 24 B. 21
C. 23 D. 25
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23. A boy was asked to find 7/9 of a number. But he divided the number by 7/9, Thus he got 32 more than the correct answer. Find the number.
A. 61 B. 63
C. 62 D. 54
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24. Find the differece between largest and smallest number formerd by the digits 0,1,2,3,5
A. 41375 B. 42975
C. 42775 D. 43565
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25. Find the L.C.M of 12, 25, 24 and 20.
A. 240 B. 600
C. 320 D. 150
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26. Find the H.C.F of 300, 450, 525.
A. 125 B. 50
C. 75 D. 25
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27. L.C.M of two numbers is 192 and there H.C.F is 16. If one of them is 48. Find the other
A. 32 B. 64
C. 48 D. 68
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28. Two numbers are in the ratio 5:8 and thier H.C.F is 4. Find the numbers.
A. 25 and 40 B. 20 and 32
C. 30 and 48 D. 15 and 24
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29. Find the greatest number which will divides 200 and 320 exactly
A. 20 B. 40
C. 50 D. 8
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30. Find the greatest number that will divide 1657, and 2037 to leaves the remainder 6 and 5 respectively
A. 121 B. 123
C. 129 D. 127
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Related Topics

HCF & LCM
Square Root and Cube Root
Boats and Streams
Averages
Area
Profit and Loss



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Those are all planning for any competitive examinations can use this segment to enhance their abilities.

  • L.I.C/ G. I.C Competitive Exams
  • Career Aptitude Test (IT Companies) and etc.
  • Defence Competitive Exams
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  • UPSC Competitive Exams
  • Bank Competitive Exam
  • SSC Competitive Exams
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  • University Grants Commission (UGC)