If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?
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The marked price of a shirt is twice of the cost price. To earn a gain of 25%, what should be the discount percentage?
The orthocentre of an obtuseangled triangle lies
874.96 + 94.0091 × 34.98 –1244.98 = ?
The ratio of present ages of Ratna and Shantanu is 5:4. After 19 years the ratio of their ages will be 10:9. What is Ratna's present age?
A batsman in his 12th innings makes a score of 120, and thereby increase his average by 5. The average score after 12th innings is
If 4(2x - 4) - 2 > 3x - 1 ≥ 4x - 7, then x can take which of the following values?
What is the equation of a line having a slope -1/3 and y-intercept equal to 6?
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