21. 12.1212 + 17.0005 -9.1102=?
a) 20.0015
b) 20.0105
c) 20.0115
d) 20.1015
22. 892.7 -573.07 – 95.007=?
a) 224.623
b) 224.777
c) 233.523
d) 414.637
23. 3889 + 12.952 -? =3854.002
a) .095
b) 4747.752
c) 47.932
d) 47.95
24. 138.009 + 341.981 – 146.305 = 123.6 + ?
a) 120.085
b) 120.85
c) 220.085
d) None of these
25. 832.58 – 242.31 = 779.84 - ?
a) 179.57
b) 199.57
c) 295.57
d) 295.05
e) None of these
26. What will come in place of question mark in the following equation?
54. (?) 3 + 543 +5.43 = 603.26
a) 5
b) 6
c) 8
d) None of these
27. Which of the following is equal tyo 3.14 x 10⁶ ?
a) 314
b) 3140
c) 314000
d) None of these
28. The number 518, 000,000 when expressed in scientific notation, equals:
a) 51.8 x 10⁶
b) 51.8 x 10⁷
c) 5.18 x 10⁸
d) 5.18x 10⁹
29. 0.000006723 when expressed in sc identify notation, is:
a) 6723x1¯⁵
b) 67.23x10¯⁷
c) 6.723 x10¯⁶
d) None of these
30. If 1.125 x 10 ᴷ = 0.001125, then the value of k is:
a) -4
b) -3
c) -2
d) -1
a) 20.0015
b) 20.0105
c) 20.0115
d) 20.1015
22. 892.7 -573.07 – 95.007=?
a) 224.623
b) 224.777
c) 233.523
d) 414.637
23. 3889 + 12.952 -? =3854.002
a) .095
b) 4747.752
c) 47.932
d) 47.95
24. 138.009 + 341.981 – 146.305 = 123.6 + ?
a) 120.085
b) 120.85
c) 220.085
d) None of these
25. 832.58 – 242.31 = 779.84 - ?
a) 179.57
b) 199.57
c) 295.57
d) 295.05
e) None of these
26. What will come in place of question mark in the following equation?
54. (?) 3 + 543 +5.43 = 603.26
a) 5
b) 6
c) 8
d) None of these
27. Which of the following is equal tyo 3.14 x 10⁶ ?
a) 314
b) 3140
c) 314000
d) None of these
28. The number 518, 000,000 when expressed in scientific notation, equals:
a) 51.8 x 10⁶
b) 51.8 x 10⁷
c) 5.18 x 10⁸
d) 5.18x 10⁹
29. 0.000006723 when expressed in sc identify notation, is:
a) 6723x1¯⁵
b) 67.23x10¯⁷
c) 6.723 x10¯⁶
d) None of these
30. If 1.125 x 10 ᴷ = 0.001125, then the value of k is:
a) -4
b) -3
c) -2
d) -1
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