World War I broke out in the year
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Chachnama records the history of which conquest?
Who discovered X-rays?
∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).
The point equidistant from the vertices of a triangle is called its
Which one of the following substances is normally found in urine?
The concept of joint sector implies cooperation between
Which of the following can undergo sublimation?