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REAL NUMBERS (X MATHS)
Contributed by: Suddala
  • 1. Unique pair of Integers in division algorithm
A) All above
B) a and r
C) q and r
D) b and q
E) a and b
  • 2. To obtain that with the using of Euclids algorithm
A) LCM
B) HCF
C) Unique integers q and r
D) Integers a and b
E) LCF
  • 3. Condition of Euclid algorithm is
A) 0<r<_d
B) 0<r<d
C) d<r<0
D) 0 <_ r<d
E) r<0<d
  • 4. What is the relationship between a, b, q
A) b= aq+r
B) q=ar + q
C) a=bq+r
D) 0=aq +br
E) a=br+q
  • 5. What is the last digit of 6100
A) 0
B) 9
C) 6
D) 3
E) 2
  • 6. Sqaire root of 2 is a
A) All above
B) Irrational number
C) Whole number
D) Natural number
E) Rational number
  • 7. Rational numbers are in the form of
A) P/q
B) P+q
C) P-q
D) Pxq
E) None of the above
  • 8. In irrational numbers, we cannot write the dinominator in tha form of
A) 2n+5m
B) 2n-5m
C) 2n=5m
D) 2n5m
E) 2n/5m
  • 9. Value of Square root of 3 is
A) Approximately 1.414
B) Approximately 2.236
C) 9
D) 3
E) Approximately 1.732
  • 10. Square root of 3 +5
A) Rational number
B) Non of the above
C) Natural number
D) Irrational number
E) Whole number
  • 11. log25=
A) log5
B) 2log5
C) 5
D) 2
E) log2
  • 12. (am) n=
A) am+n
B) am/n
C) amn
D) a x mn
E) all above
  • 13. log15=
A) log5 / log3
B) log3+log5
C) 15
D) log3 x log5
E) log3 - log5
  • 14. 25=
A) 1
B) 32
C) 5
D) 10
E) 2
  • 15. 2-3=
A) -6
B) 23
C) 1/23
D) 1
E) -3
  • 16. a0=1
A) Both
B) True
C) False
  • 17. 41=
A) 1/4
B) -4
C) 0
D) 1
E) 4
  • 18. HCF X LCM =
A) a + b
B) 0
C) a - b
D) 1
E) a x b
  • 19. What is the last digit of 510
A) 1
B) 5
C) 0
D) 2
E) 6
  • 20. 25/2 =
A) 2.5
B) 5.1
C) 12.5
D) 1.5
E) 10.5
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