Question
Three years ago, the age difference between Tina and
Mina was 4 years. Currently, the ratio of their ages is 5:7, respectively. Determine the present age of Mina's father, who is currently 4 years younger than three times Mina's present age.Solution
Let the present ages of Tina and Mina be '5m' and '7m' years respectively. Difference between age of two person is always same. So, 7m - 5m = 4 Or, 2m = 4 Or, 'm' = 2 Present age of Mina = '7m' = 7 X 2 = 14 years Therefore, present age of Mina's father = 3 X 14 - 4 = 42 - 4 = 38 years
Which of the following country has announced launch oil backed cryptocurrency?
Which of the following bank has recently launched FASTag which eases toll collection on National Highways across country?
Russell Trophy is related to which game?
Which day is observed as National Unity Day?
“Eklavya Model Residential Schools (EMRS)” Came into existence in which year?
Recently a government scheme in India had concluded a loan agreement with World Bank of an amount of $ 250 million. Name the scheme
Holcim company is based in which country?
GPS stands forints are of the height100cms?
Which of the following ocean does not Possess the phenomenon like tides, waves etc.?
When kept in air for some time, a layer of green colored basic carbonate forms on the metal, that metal is ___________________ .