E-PolyLearning

21. 0.04 x 0.0162 is equal to:
a. 6.48 x 10^-3
b. 6.48 x 10^-4
c. 6.48 x 10^-5
d. 6.48 x 10^-6
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Answer: (b).6.48 x 10^-4

22. The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.30, in which year commodity X will cost 40 paise more than the commodity Y ?
a. 2010
b. 2011
c. 2012
d. 2013
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Answer: (b).2011

23. Which of the following fractions is greater than 3/4 and less than 5/6 ?
a. 1/2
b. 2/3
c. 4/5
d. 9/10
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Answer: (c).4/5

24. The rational number for recurring decimal 0.125125.... is:
a. 63/487
b. 119/993
c. 125/999
d. None of these
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Answer: (c).125/999

25. 617 + 6.017 + 0.617 + 6.0017 = ?
a. 6.2963
b. 62.965
c. 629.6357
d. None of these
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Answer: (c).629.6357

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