Question
The average age of three children is 22 years. If their
ages are in the ratio 2:4:5. Find the age of the youngest child. Section 3Solution
Total age of three children = 22 × 3 = 66 years Let their ages be 2x, 4x and 5x respectively. => 2x + 4x + 5x = 66 => 11x = 66 => x = 6 Therefore the age of youngest child = 6 × 2 = 12 years
An agricultural revolution is when farming changes a lot in a short time. These revolutions have led to transformative outcomes in the country's agricul...
The creation of utility by the way of marketing is called as
Which of the following is considered as an essential step in the exchange of gases during respiration and photosynthesis?
Which crop does not contribute to food grain production?
In which of the following technique, DNA from different sources are isolated and digested with restriction endonuclease?
Which layer of the atmosphere has lowest average temperature?
Which one the following Country has largest area under drip irrigation in the world?
Which of the following is a measure to promote the export of organic products under India's Agricultural Export Policy?
Which one of the following primitive type of corn has less economic importance?
In a breeding experiment involving quantitative traits, a breeder calculated the phenotypic variance (VP) as 40 and genotypic variance (VG) as 30. Based...
