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Currently, the solution contains 30% of 60 liters = 18 liters of alcohol. Let x liters of pure alcohol be added. After adding x liters, total volume = 60 + x liters, Alcohol = 18 + x liters. We want: (18 + x) / (60 + x) = 0.5. Solving gives: 18 + x = 0.5(60 + x), 18 + x = 30 + 0.5x, 0.5x = 12, x = 24 liters. Answer: a) 24 liters
Three different positions of the same dice are shown. Find the number on the face opposite the face showing ‘5’.
A group of friends met at a club 15 days ago and promised to meet again after 36 days. If today is Saturday, on which day will the friends meet again?
Identify the figure given in the options which when put in place of the question mark (?) will logically complete the series?
a) Either he is happy or he is poor.
b) He is happy.
Inference : He is poor.
In a certain code language, 'HEIGHT" is coded as 'FCGDEQ'. What is the code for 'METHOD' in that code language?
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
NIE, QLH, TOK, WRN, ...
Which of the following groups of letters when sequentially placed from left to right will complete the given series?
aaaa_ bbbbbaaaa_ bbbbb_ ...
Which figure should replace the question mark (?) in the following series to continue the pattern?
16 is related to 112 following a certain logic. Following the same logic, 26 is related to 182. To which of the following is 44 related, following the s...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
