REAL NUMBERS (X MATHS)
  • 1. Unique pair of Integers in division algorithm
A) b and q
B) a and r
C) q and r
D) All above
E) a and b
  • 2. To obtain that with the using of Euclids algorithm
A) Integers a and b
B) Unique integers q and r
C) LCM
D) HCF
E) LCF
  • 3. Condition of Euclid algorithm is
A) d<r<0
B) r<0<d
C) 0<r<_d
D) 0<r<d
E) 0 <_ r<d
  • 4. What is the relationship between a, b, q
A) a=bq+r
B) q=ar + q
C) 0=aq +br
D) b= aq+r
E) a=br+q
  • 5. What is the last digit of 6100
A) 2
B) 9
C) 3
D) 6
E) 0
  • 6. Sqaire root of 2 is a
A) Whole number
B) Irrational number
C) Rational number
D) Natural number
E) All above
  • 7. Rational numbers are in the form of
A) Pxq
B) P-q
C) P+q
D) P/q
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) 3
B) Approximately 2.236
C) Approximately 1.414
D) 9
E) Approximately 1.732
  • 10. Square root of 3 +5
A) Irrational number
B) Non of the above
C) Rational number
D) Natural number
E) Whole number
  • 11. log25=
A) 5
B) 2
C) log2
D) 2log5
E) log5
  • 12. (am) n=
A) a x mn
B) all above
C) amn
D) am/n
E) am+n
  • 13. log15=
A) log3+log5
B) log3 x log5
C) log3 - log5
D) 15
E) log5 / log3
  • 14. 25=
A) 1
B) 32
C) 2
D) 10
E) 5
  • 15. 2-3=
A) 23
B) -3
C) 1
D) 1/23
E) -6
  • 16. a0=1
A) Both
B) False
C) True
  • 17. 41=
A) -4
B) 4
C) 1
D) 0
E) 1/4
  • 18. HCF X LCM =
A) 1
B) a x b
C) 0
D) a + b
E) a - b
  • 19. What is the last digit of 510
A) 0
B) 5
C) 6
D) 2
E) 1
  • 20. 25/2 =
A) 1.5
B) 12.5
C) 5.1
D) 2.5
E) 10.5
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