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Sum of the weights of 'N' children = N X (N + 1) = (N2 + N) kg ATQ, (N2 + N - 36.5) ÷ (N - 1) = N + 1 - 0.5 Or, N2 + N - 36.5 = (N - 1) X (N + 0.5) Or, N2 + N - 36.5 = N2 + 0.5N - N - 0.5 Or, 15N = 360 So, 'N' = 24 Therefore, initial number of children in the group = 'N' = 24
Find the missing term in the following question:
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
18, 19, 27, 36, ___, 225
A series is given with two terms missing. Choose the correct alternatives from the given ones that will come in the place of blanks respectively and com...
F : 216 : : I : ?
The following series is based on the English alphabets. Which one of the following will come in place of the question mark in the given alphabetical ser...
Find the missing number.
. 
Select the number which can be placed in the column of question mark sign.
Select the combination of numbers that when placed sequentially in the blanks of the given series will complete the series.
3 _ 3 _ 5 3 3 5 _ 3 3...
Select the option that is related to the third term in the same way as the second term is related to the first term and sixth term is related to fifth ...
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
