The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?
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In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?
The pair of linear equations 3x + y = 1 and px + 2y = 5 has no finite solution if
If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90° , then x = ?
Which of the following is a Pythagorean triplet?
What is the slope of the line perpendicular to the line passing through the points (6,3) and (2,7)?
The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)
In a rectangle
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