Question
In how many different ways can 6 boys and 3 girls to be
seated in a row such that all the boys seated together and all the girls seated together?Solution
Number of ways in which boy and girls can be seated = 6! ×3! Total number of ways when boys are seating together and girls are seating together = 2! × 6! × 3!
In a certain code language, SAFETY is written as 21 – 3 – 8 – 7 – 22 – 27. How will FRIEND be written in that code language?
...If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression:
54 B 54 A 27 B 8 D...
Read the given statements and decide which of the conclusions given in the options logically follow from the statements.
Statements:
I. ...
In the following question, four number pairs are given. In each pair the number on left side of (-) is related to the number on the right side of (-) wi...
In a certain code RAINBOW is written as VNAMHZQ. How is SEMINAR written in that code?
Six boxes labelled L, M, N, O, P, and Q, are arranged vertically from top to bottom. The top position is considered the 1st position, whereas the bottom...
How many pairs of letters are there in the word ‘FARMHOUSE’ each of which have as many letters between them (both forward and backward direction) in...
If in a certain language KINDLE is coded as ELDNIK, how is FASHION coded in that code?
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
PNNA, RPPE, TRRI, VTTO, ?
What is the code of “Recommendation Ruled”?
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