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Start learning 50% faster. Sign in nowTwo balls can be drawn from 12 balls in 12 C 2 ways.
The number of ways of drawing two balls of the same
Colour = 6 C 2 + 4 C 2 + 2 C 2 = 15 + 6 + 1
∴ The required probability = 22/ 12 C 2 = (22*2)/(12*11) = 1/3
Three of the following letter-clusters are alike in some manner and hence form a group. Which letter-cluster does not belong to that group?
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
TSF, RPJ, PMN, NJR, ?
If first and last letters are interchanged and then written according to dictionary, then which of the word will yield the last word?
Select the set of letters that when sequentially placed in the blanks of the given letter series will complete the series.
k_Imml_mk_mmk_Ikkl_m
Which letter cluster will complete the given series?
FUYV, HTBT, JSER, LRHP, NQKN, _____
How many pairs of letters are there in the word "MAGNETIC" which have as many letters between them in the word as in the English alphabetical series (b...
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
Five words are given in the options and taking four letters of each of the words as specified, different words can be obtained and one of them is not an...
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. NIR, JGN, FEJ, ?
If the words are arranged according to the ascending order of the numbers which are attached to them from left to right, then how many alphabets are the...
