CSAT 2021 | DDSQ Apr 29 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways
The recurring decimal representation is equivalent to (2020)
The recurring decimal representation is equivalent to (2020)
What is the greatest length such that
and
are integral multiples of
? (2020)
A simple mathematical operation in each number of the sequence ,
,
,
,
,
, … results in a sequence with respect to prime numbers. Which one of the following is the next number in the sequence? (2020)
Consider the following arrangement that has some missing letters:
a b a b _ b _ b c b _ d c d c d e d _ d
The missing letters which complete the arrangement are (2020)
a, b, c, d
a, b, d, e
a, c, c, e
b, c, d, e
One page is torn from a booklet whose pages are numbered in the usual manner starting from the first page as . The sum of the numbers on the remaining pages is
. The torn page contains which of the following numbers? (2020)
,
,
,
,
Let and
be four-digit numbers where each letter represents a different digit greater than
. If the sum of the numbers is
, then what is the difference between the values of
and
? (2020)
A frog tries to come out of a dried well deep with slippery walls. Every time the frog jumps
, slides down
. What is the number of jumps required for the frog to come out of the well? (2020)
How many pairs of natural numbers are there such that the difference of whose squares is ? (2020)
Which one of the following will have minimum change in its value if is added to both numerator and the denominator of the fractions
,
,
and
? (2020)
A digit is divisible by
but not divisible by
. Which one of the following is divisible by
? (2020)