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Let the ages of the second and third children be x years. Their combined age = 2x = 24, so x = 12 years. Let the age of the youngest child be y years, and the eldest be y + 10 years. Average age = (y + (y + 10) + 12 + 12) / 4 = 12 (y + y + 10 + 24) / 4 = 12 (2y + 34) / 4 = 12 2y + 34 = 48 2y = 14 y = 7 years Age of the eldest child = 7 + 10 = 17 years.
An area is considered drought stricken, when the annual rainfall is less than
The unconsolidated debris overlying the hard, unweathered bedrock is called as
Rice stem borers lay eggs on which one of the following parts of the plant?
Growing grasses in orchards between the trees without tillage or mulching is called
What is phosphorus content in DAP?
Identify the wrong sequence
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. Which one of the follow...
“Puffiness” is a physiological disorder of which crop?
The stage of mitosis during which the chromosomes line up along the equator of the cell is called:
Seeds are formed but the embryos develop without fertilization in