Question
In a classroom there are 14 boys and 11 girls. Average
age of each boy and each girl is 21 years and 15 years respectively. The sum of ages of all the boys, girls and a teacher whose age is ‘x’ years is 500 years. Find the value of ‘x’.Solution
Sum of ages of all boys = 14 x 21 = 294 Sum of ages of all girls = 11 x 15 = 165 So, 294 + 165 + x = 500 => x = 41
Which of the following crop is known as biological plough
The Central Warehousing Corporation was established by the Government of India in 1957. Who is the current Chairman of the organization?
Protection of the wildlife habitat can be done through in-situ and ex-situ conservation methods. Which one of the following is not a site for in-situ me...
Which of the following is a hexaploid species of wheat?Â
The degree to which an innovation is perceived as consistent with the existing values, part experiences and needs of potential adopters
In brown manuring, weeds are knocked down by_________
Repeated application of herbicide in an area leads to
Piglet Anaemia is a hypochromic-microcytic anaemia generally associated with young, rapidly growing piglets. Piglet Anaemia is caused by?
Cauliflower is deficiency indicator plant for which of the following element?
The Rational equation is the simplest method to determine peak discharge from drainage basin runoff Q=CIA, C Stands for