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