exam Maths Puzzle Numerical Ability

My question goes like this..."With two sticks of length 6 cm. and 9cm., how many triangles can be formed with the two sticks and a third stick with integral length?"

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exam Other Question

Identify the following conic. That is, is it a circle, parabola, hyperbola or elipse? Show why.

x^2-4y^2-4x-24y=48

I am really having problems figuring this one out so any Express 7.02 * 10^-5 in standard notation. 10^-5 = ten to the power of negative five.

Thanks