Question
3 years ago, the ratio of the ages of A and B was 2:3
and after 4 years it will become 5:7. Find their present ages.Solution
3 years ago, Let the ratio of ages of A and B = 2x:3x According to the question, => (2x + 7)/(3x + 7) = 5/7 => 14x + 49 = 15x + 35 => x = 14 Present age of A = 2x + 3 = 31 years  Present age of B = 3x + 3 = 45 years Â
How many districts were there when Haryana state was formed?Â
When is the ‘World Red Cross Day’ celebrated ?
What is the name of the currency of Japan?
Which state share the maximum border with Uttar Pradesh?
Lala Lajpat Rai was also known as:
A rolling plan is a plan for:
Who is named as the New Chief Minister of Tripura after the resignation of Biplab Kumar Dev?
PV Sindhu became the 1st women and 2nd Indian to win 2 Olympics medals. Who is the 1st Indian to win 2 Olympics medals?
Prime Minister Narendra Modi unveiled a bronze statue of freedom fighter Alluri Sitarama Raju, at a special programme on his 125th birth anniversary ce...
A Global Health Care insurance programme launched by which of these insurance firms?