# Posts by Aravind

Total # Posts: 4

**Physics**

Two solids A and B float in water .A floats with half of its volume immersed and B float s with 2/3 of its volume immersed.the ratio of their densities is ?

**Maths**

The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make?

**9th grade math**

3rd side= 2x 1st side(shorter) 1st side=2nd side 2x+2x=31 4x=31 x=31/4=7.75 3rd side= 2*x-1 2*7.75-1= 14.5 1st side and 2nd side= 14.5 3rd side=2cm Ans. 14.5cm, 14.5cm, 2cm

**9th grade polynomials**

(2+3x)*x

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