निम्नलिखित संख्या श्रृंखला में लुप्त संख्या ज्ञात कीजिए: 60, 180, _______, 420, 540

Which number will replace the question mark (?) in the following series? 5, 5, 11, 35, 95, 215, ?

Which number is INCORRECT in the following sequence? 0, 3, 8, 15, 24, 37

What number will come next in the given series? 2, 9, 28, 65, 126, ?