prp  qrp  prr  pqr  qrp  rpr  qqr  rpr  qpr  qrr qpr  qpr

If every third letter starting from the left is replaced by a number beginning with 1 then which letter/ number will be 16th from the right?

In the following question, select the missing number from the given series.

3, 4, 6, 9, 13, ?

In the following question, select the missing number from the given series.

19, 26, 40, 61, ?, 124

In the following question, select the missing number from the given series.

46, 45, 43, 42, 40, 39, ?

In the following question, select the missing number from the given series.

9, 13, 22, 38, 63, ?

In the following series, one number is missing as shown by the question mark. Select the missing number from the given options.

8, 12, 16, 20, ?

Find the number which will complete the following series.

0, 1, 8, 27, ?

Find the missing number (?) in the series

1, 1, 4, 8, 9, ?, 16, 6,...

Find the first negative term of the below A.P.

129, 120, 111, 102, ...