book Maths Puzzle Numerical Ability

2/7x2&1/8x3=(the answers are........6&1/28, 9/4, 1&23/28, or none of these)

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book Other Question

Find the area of a segment of a circle if the diameter is 12 inches and the central angle is pi/4 radians? I have 6 digits. My hundred thousands digit is 1 less then my ones digit, 8 more than my thousands digit, twice my tens digit, and 4 times my hundreds digit. What number am I? E