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Consider thre: blocks A, B and C. Block A is placed on block B, which is placed on block \( C \)
\( \mathrm{P} \) and block \( \mathrm{C} \) is placed on the ground. Normal W reaction between blocks \( \mathrm{B} \) and \( \mathrm{C} \) is three times of that between blocks A and B. Normal reaction between block \( \mathrm{C} \) and ground is two times of that of between blocks \( B \) and \( C \). Possible values of the masses of blocks \( \mathrm{A}, \mathrm{B} \) and \( \mathrm{C} \) respectively are
(1) \( 5 \mathrm{~kg}, 15 \mathrm{~kg} \) and \( 10 \mathrm{~kg} \)
(2) \( 5 \mathrm{~kg}, 10 \mathrm{~kg} \) and \( 15 \mathrm{~kg} \)
(3) \( 5 \mathrm{~kg}, 15 \mathrm{~kg} \) and \( 30 \mathrm{~kg} \)
(4) \( 5 \mathrm{~kg}, 30 \mathrm{~kg} \) and \( 60 \mathrm{~kg} \)
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