Monday, 23 February 2015

DECIMAL FRACTIONS -EXERCISE 3 (OBJECTIVE TYPE QUESTIONS 21 TO 30 )

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

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