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REAL NUMBERS (X MATHS)
Contributed by: Suddala
  • 1. Unique pair of Integers in division algorithm
A) a and r
B) All above
C) q and r
D) a and b
E) b and q
  • 2. To obtain that with the using of Euclids algorithm
A) LCF
B) LCM
C) Integers a and b
D) HCF
E) Unique integers q and r
  • 3. Condition of Euclid algorithm is
A) d<r<0
B) 0<r<d
C) 0<r<_d
D) r<0<d
E) 0 <_ r<d
  • 4. What is the relationship between a, b, q
A) a=br+q
B) q=ar + q
C) a=bq+r
D) b= aq+r
E) 0=aq +br
  • 5. What is the last digit of 6100
A) 3
B) 0
C) 2
D) 9
E) 6
  • 6. Sqaire root of 2 is a
A) Whole number
B) All above
C) Rational number
D) Natural number
E) Irrational number
  • 7. Rational numbers are in the form of
A) P/q
B) Pxq
C) None of the above
D) P+q
E) P-q
  • 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 1.732
B) Approximately 2.236
C) 3
D) Approximately 1.414
E) 9
  • 10. Square root of 3 +5
A) Irrational number
B) Natural number
C) Rational number
D) Whole number
E) Non of the above
  • 11. log25=
A) log2
B) 2log5
C) 2
D) log5
E) 5
  • 12. (am) n=
A) a x mn
B) am+n
C) am/n
D) amn
E) all above
  • 13. log15=
A) log3+log5
B) 15
C) log3 x log5
D) log5 / log3
E) log3 - log5
  • 14. 25=
A) 2
B) 10
C) 1
D) 5
E) 32
  • 15. 2-3=
A) 1/23
B) -3
C) 23
D) 1
E) -6
  • 16. a0=1
A) True
B) Both
C) False
  • 17. 41=
A) -4
B) 1/4
C) 4
D) 1
E) 0
  • 18. HCF X LCM =
A) a + b
B) a - b
C) a x b
D) 1
E) 0
  • 19. What is the last digit of 510
A) 2
B) 0
C) 6
D) 5
E) 1
  • 20. 25/2 =
A) 5.1
B) 12.5
C) 2.5
D) 10.5
E) 1.5
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