upsc Exam Logical Reasoning

If 3rd day of a month is monday,what will be the 5th day from 21st day of the month

Read Solution (Total 5)

If third day of month=monday then monday will be on 10th,17th,24th of the month hence 26th of the month will be wednesday.
9 years agoHelpfull: Yes(4) No(1)

WEDNESDAY
21 st + 5 st =26.
a week complete in 7 days.
21 in nearer multiple of 7.
so 3=21=24th is also monday so 26 th is WEDNESDAY.
9 years agoHelpfull: Yes(1) No(0)
From 21st day the 5th day will be Wednesday
6 years agoHelpfull: Yes(1) No(0)
saturday //
9 years agoHelpfull: Yes(0) No(3)
Since 3 rd is Monday, 21(multiples of 3) should also be monday. From monday, the fifth day is Saturday.
9 years agoHelpfull: Yes(0) No(2)

upsc Other Question

If the 3rd day of a month is monday,which will be the 5th day from 21st of this month? Six identical cards are placed on a table. Each
card has number '1' marked on one side and
number '2' marked on its other side. All the
six cards are placed in such a manner that the
number '1' is on the upper side. In one try,
exactly four (neither more nor less) cards are
turned upside down. In how many least
number of tries can the cards be turned
upside down such that all the six cards show
number '2'on the upper side ?
(a) 3
(b) 5
(c) 7
(d) This cannot be achieved