Fractions and Decimals
Find the value of 1/3 + 1/15 + 1/35 + 1/63 + 1/99 .

7/11
5/11
9/11
10/11

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Fractions and Decimals
The denominator of a fraction exceeds its numerator by 7. If the numerator as well as the denominator is increased by 9, the fraction becomes 2/3. Which of the following is the original fraction?

7/14
None of these
9/16
5/12

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Fractions and Decimals
0.004 x 0.04 x 0.4 x 0.0004 = ?

0.00000000256
0.0000000256
0.000000256
0.00000256

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