Subject
Quantitative Aptitude
Topic
Age
Ten years ago, Khush was thrice as old as Sam was but 10 years hence, he will be only twice as old. Find Khush’s present age?
Ten years ago, Khush was thrice as old as Sam was but 10 years hence, he will be only twice as old. Find Khush’s present age?
ক)
30খ)
35গ)
40ঘ)
36ঙ)
None of theseExplanation
Let Khush’s present age be x years and Sam’s present age be y years Then, according to the first condition, x – 10 = 3(y – 10) or, x – 3y = -20 ……..(1) Now. Khush’s age after 10 years = (x + 10) years Sam’s age after 10 years = (y + 10) (x+10) = 2(y+10) or, x – 2y = 10 ……..(2) Solving (1) and (2), we get x = 70 and y = 30 Khush’s age = 70 years and Sam’s age = 30 yearsRelated questions
If 6 years are subtracted from the present age of Anuj and the remainder is divided by 18, then the present age of his grandson Gopal is obtained. If Gopal is 2 years younger to Mohan whose age is 5 years, then what is the age of Anuj?Father is aged three times more than his son Mohit. After 8 years, he would be two and a half times of Mohit’s age. After a further 8 years, how many times would he be of Mohit’s age?A father said to his son, “I was as old as you are at present at the time of your birth.” If the father’s age is 38 years now, the son’s age five years back was:A is 3 years older than B who is twice as old as C.If the total of ages A, B and C is 38, What is the age of C?