Who invented Vacuum Flask?
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What is the simplified value of tan (θ/2) + cot (θ/2)?
∆ABC is similar to ∆PQR. If ratio of perimeters of ∆ABC and ∆PQR is 1:2 and if PQ = 10 cm then what is the length of AB (in cm)?
The boundary between Earth's crust and mantle is _____.
Chernobyl disaster is the result of pollution by_____________
The place on the earth's surface above the focus is called the __________.
Jallikattu practiced in Tamil Nadu is a part of which festival?
Who is the first female and the first ever Asian to become the Chief Human Resources Officer of the Global Giant Unilever? She is incidentally an Indian.