Question
The ratio of the present ages of father and his son is
5:2. The product of their ages 4 years ago was 31 times of his son’s age that year. What was son’s age 2 year ago?Solution
Let present age of father and son be 5x and 2x respectively. According to question, => (5x – 4) (2x – 4) = 31 × (2x – 4) => (5x – 4) = 31 => 5x = 35 => x = 7 Therefore, son’s age 2 years ago = (2x – 2) = 12 years
e-National Agriculture Market (e-NAM) was launched in the year___
Which of the following districts in Uttarakhand are not engaged in apple cultivation?
Conversion factor from P to P2O5 is
Which year is considered as International year of Soil Science?
Which nutrient deficiency is responsible for "Khaira disease" in paddy?
Toned milk should contain minimum ____% fat and ___% SNF.Â
Properties of ozone was discovered by
What is the High-volume spray fluid quantity?
Windbreaks are planted in which direction?
The enzyme which is involved in the softening of the fruit texture during ripening is