Q:

Select the combination ofletters that when sequentially placed in the blanks of the given series will complete the series.
 dq_pln_qt_lnd_tpl_dq_p_n

• 1
  t, d, p, q, n, t, l
• 2
  t, p, d, q, l, n, t
• 3
  d, l, n, p, q, t, t
• 4
  t, t, q, p, n, l, d