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  1. The sum of three numbers is 252. If the first number is thrice the second and third number is two–third of the first, then the second number is
    1. 41
    2. 21
    3. 42
    4. 84
Correct Option: C

Let second number = p.
∴  First number = 3p

Third number =
2
× 3p = 2p
3

According to the question,
3p + p + 2p = 252
⇒  6p = 252
⇒  p =
252
= 42
6



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