Decimal Fractions Practice Test 4

31.  2 .75 + 3.78

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32. Evaluate :

(i)35+0.07(ii)2.5+0.0005(iii)136.09+43.9

A.  (i)500(ii)5000(iii)3.1                       B.  (i)600(ii)5010(iii)2.1

C. (i)501(ii)5000(iii)3.2                        D.  (i)500(ii)5011(iii)3.3

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33. Which one of the following is equal to 3.14×106?

 A.  314                     B.  3140

 C.  3140000          D.  None of these

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34. 3 * 0.3 * 0.03 * 0.003 * 30 = ?

A.0.0000243         B.0.00243

C.0.000243            D.0.0243

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35.40.83 x 1.02 x 1.2 = ?

[A] 41.64660

[C] 49.97592

[B] 42.479532

[D] 58.7952

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36.(i) 6202.5 + 620.25 + 62.025 + 6.2025 + 0.62025

(ii) 5.064 + 3.98 + 0.7036 + 7.6 + 0.3 + 2

A.  (i)6890.59775(ii)19.5476            B.  (i)5891.69775(ii)29.6470

C. (i)6891.59775(ii)19.6476             D.  (i)6891.59675(ii)19.6376

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37. If (1 / 3.718) = 0.2689, Then find the value of (1 / 0.0003718).
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38. Express as vulgar fractions : (i) 0.37 (ii) 0.053 (iii) 3.142857
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39.	.009 = .01 ?
	A. .0009 B. .09 C. .9 D. 9

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40.	.The expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square forx equal to:
	A. 0.02 B. 0.2 C. 0.04 D. 0.4

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