Question
Statements:Â Â Â Â Â Â No mouse is a
keyboard. Some keyboards are printers. All printers are scanners. Conclusions:Â Â Â Â Â Â I. Some printers are not mouse. II. All scanners may be keyboards. In each of the questions below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
No mouse is a keyboard(E) + Some keyboards are printers(I) ⇒ Some printers are not mouse(O*). Hence, conclusion I follows. Some keyboards are printers(I) + All printers are scanners(A) ⇒ Some keyboards are scanners(I) ⇒ Probable conclusion ⇒ All scanners may be keyboards. Hence, conclusion II follows.
What will come in place of the question mark (?) in the following series?
22, 28, 37, ?, 72, 102
99, 101, 107, 131, 251, ?
18Â Â Â 19Â Â Â 34Â Â Â 111Â Â Â Â 428Â Â Â Â 2165Â Â Â Â ?
...72, 79, 100, 135, 184, ?
51    52    48     57    ?      66      30
...135, 148, ?, 184, 207, 236
13, 29, 65, 129, ?, 373
96 89 ? 90 94 91
...Find the missing number, in the given number series.
360, 322, ?, 252, 220
12   18   31   51   ?   112
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