A shopkeeper sells pens in packet of 12 and markers in packet of 8. What is the least number of pens and markers that Pal should buy so that there will be one pen for each marker.

Q. A shopkeeper sells Marker at the rate of Rs.35 each and earns a commission of 10%. He also sells Gel pen at the rate of Rs. 65 each and earns a commission of 20%. How much amount (in rupees) of commission will he earn in 2 weeks, if he sells 12 markers and 8 Gel pens a day?

Q. Three desk drawers I, II and III are being stocked with seven types of articles. Hand computer, Ink-pens, Labels, Markers, Rulers, Stationery, and Tapes are to be placed in the drawers so that the articles belonging to any given type are all in oe drawer and no drawer contains more than three types of articles. The arrangement of the types of articles is subject to the following constraints
(i)Hand computers and Rulers must be in a drawer together.
(ii)Neither Ink-pens not Markers can be in the same drawer as Labels.
(iii)Neither Ink-pens nor Markers can be in the same drawer as Stationery.
(iv)The stationery must be either in drawer I or drawer II.
Which of the following is an acceptable arrangement ?
$DrawerIDrawerIIDrawerIII$
(A)Ink pensMarkers, Stationery, TapesHand Computers, Labels, Rulers
(B)Ink-pens, LabelsMarkers, TapesHand Computers, Rulers
(C)Labels, StationeryTapes, Ink-pens, MarkersHand Computers, Rulers
(D)Labels, TapesInk-pens, MarkersHand Computers, Rulers, Stationery

Q. One pen costs $0.25andonemarkercosts$0.35. At those prices, what is the total cost of 18 pens and 100 markers?

Q. (11f + 5) represents the number of markers, where f denotes the number of sketch pens in a shop. What is the number of markers available if f = 3?

Q. Statements: All pens are markers.
All copies are pens.
No paper is a marker.
C onclusions: I. At least some pens are papers.
II. No paper is a copy.