If the list of letters, P,R,S,T,U is an arithmetic sequence, which of the following are also in arithmetic sequence? I . 2P, 2R, 2S, 2T, 2U II . P - 3, R - 3,S - 3, T - 3, U - 3 III. P2 , R 2 , S2 , T2 , U2

If the list of letters, P,R,S,T,U is an arithmetic sequence, which of

1.	If the list of letters, P,R,S,T,U is an arithmetic sequence, which of the following are also in arithmetic sequence? I . 2P, 2R, 2S, 2T, 2U II . P - 3, R - 3,S - 3, T - 3, U - 3 III. P2 , R 2 , S2 , T2 , U2
A.	I only
B.	I and II
C.	II and III
D.	I and III
Answer» C. II and III

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If the list of letters, P,R,S,T,U is an arithmetic sequence, which of the following are also in arithmetic sequence? I . 2P, 2R, 2S, 2T, 2U II . P - 3, R - 3,S - 3, T - 3, U - 3 III. P2 , R 2 , S2 , T2 , U2

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