For higher yield and better grain quality PR 124 and PR

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

304, 261, 221, 184, ?, 119

Select the figure that will replace the question mark (?) in the following figure series.

If P > U > M = E > H = F < C, then which of the following conclusions will not be correct? 

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

KOG JNF IME HLD ?

Change the question mark with the option that follows the applied logic in the first pair.

Charger: Charge :: Printer: ??

Select the number from among the given options that can replace the question mark (?) in the following series.

86, 89, 95, 104, ?, 131, 149

What should come in place of the question mark (?) in the given series?

173 151 130 110 91 ?

What will come in the place of the question mark (?) in the following equation, if '+' and 'x' are interchanged and '- ' and 

Of the following two statements, both of which cannot be true, both can also be false. Which are these two statements?