Which of the following numbers will replace the question mark (?) in the given series?
 11, 20, 43, 94, 187, 336, 555, ? 

Which of the following numbers will replace the question mark (?) in the given series?

121, 169, 289, ?, 529, 841

Which of the following numbers will replace the question mark (?) in the given series?

41, 54, 67, 80, 93, ?

Select the number from among the given options that can replace the question mark (?) in the following series.
 16, 32, 14, 19, 37, 21, 22, 42, ?, 25, 47, 35 

Which number from the options will replace the question mark (?) in the following series?
 3, 13, 53, 213, ?

Which of the follow ing numbers will replace the question mark (?) in the given series
 13, 14, 23, 48, 97, 178, ? 

Select the number from among the given options that can replace the question mark (?) in the following series.
 45, 46, 50, 59, 75, ? 

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row – 13, 50, 104
 Second row – 11, 42, ?
 Third row – 18, 70, 144
 (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed)