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  1. The radius of relatives stiffness for a 20 cm thick slab with E = 3 × 105 kg/cm2 and poisson’s ratio = 0.15, resting on subgrade having modulus of 5 kg/cm3 is
    1. 10 cm
    2. 80 cm
    3. 120 cm
    4. 320 cm
Correct Option: B

NA



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