Question
In a town, the ratio of males to females is 5:4. Among
the males, 20% are children, and the rest are adults. If the adult male population is 4,500, what is the total population of the town?Solution
Let the number of males and females are 5x and 4x. Adult males = 80% of 5x = 4x 4x = 4500 x = 1125 total population of the town = 9x = 10,125
If $ means +, # means - , @ means x and * means ÷, then what is the value of 22 $ 3 @ 10 # 21 * 7 =?
In the following question, select the word which can be formed using the letters of the given word.
SANDALWOOD
What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and ' × ' and '÷' are interchanged? <...
Which of the following “signs” are placed in place of “symbols” given in the equation to make the equation true?
36 $ 12 % 6 + 8 – 9 @ ...
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 If ‘+’ means ‘-’, ‘×’ means ‘+’, ‘-’ means ‘÷’ and ‘÷’ means ‘×’, then, what is the value of the following expressio...
If '÷' means '+', '+' mean '-', 'x' means '÷' and '-' means 'x', then what will be the value of the given expression:
12 – 6 x 2 + 5 ÷ 9
In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
If ' + ' means ' × ', ' - ' means ' ÷ ', ' × ' means ' - ' and ' ÷ ' means ' + ' then 18 × 9 ÷ 3 + 8 - 4 = ?
...If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression:
44 S 96 P 12 R 11 ...
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