What is the value of 4² -3² + 6² – 5² + 8² + 7² +…………….92² – 91² ?

Choose the number from the options given below that will replace the question mark in the following series.
423 , 407, 439 , 391, 455, ?

Select the option that correctly fills in the blanks and complete the series.
441, 484, 529, 576, __

Which of the following numbers will replace the question mark (?) in the given series?
 382, 322, 272, 232, 202, ?

Find the next number of this series
14, 12, 126, ______.

Select the option that will fill in the blank and complete the given series.
7, 16, 40, 84______252

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

2, 4, 10, 28, ?, 244