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