Question
Five years ago, the ages of the father and his son were
in the ratio 7:2. Five years hence, the ages of the father and his son will be in the ratio 9:4. After how many years will the father's age be twice the age of his son?Solution
Let the common ratio be x. Hence, five years ago, the ages of the father and his son were 7x and 2x years. According to the question, (7x+5+5) (2x + 5 + 5) = 9:4 28Qx+ 40 = 18x + 90 x = 5 Present age Father = 7x + 5 = 7 x 5 + 5 = 40 Son = 2x + 5 = 2 x 5 + 5 = 15 After P years the father's age will be twice the age of his son. According to the question, 40 + P = 2 x (15 + P) P = 10
Find which one of the given words cannot be made from the letters of the given wordĀ ā PRONOUNCIATION ā .
...From the given options, select the word, which cannot be formed using the letter of the word 'DETERMINATION' (Each letter of the word can be used at mo...
Read the directions carefully and answer the following question.
How many such pairs of letters are there in the words ā PAVEMENT ā which h...
Ā In the word āRESEARCHā, first all the opposites of each letter are written, then all the letters formed are written in an alphabetical order form,...
From the given alternative words, select the word which cannot be formed using letters of the given word only once.
PHOTOGRAPHY
Which can be formed by using the letters of the given word.
GENERALIZATION
Unscramble the following letters to frame a meaningful words, then find out the correct numerical position of the letters.
IĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā ...
Which of the following words cannot be formed from the letters of the word āDEPARTMENTā using each letter only once?
Find which one word cannot be formed from the given letters of the word.
ā HAPPINESS ā
...
Relevant for Exams:
