Question
Average marks scored by each boy in a class were 85,
whereas that by each girl were 95. If the number of boys is 50% more than the number of girls, then find the average score of each student.Solution
Let the number of girls = 2x.
Thus, the number of boys = 3x. Total marks of boys = 3x × 85 = 255x
Total marks of girls = 2x × 95 = 190x Total marks = 255x + 190x = 445x
Total students = 2x + 3x = 5x Average = 445x ÷ 5x = 89
Which of the following materials were used for the reclamation of saline soil?
Which state has covered largest area under organic certification?
Disorders like Hollow Stem of Cauliflower; Browning of Cauliflower ; Top sickness of Tobacco is caused due to the deficiency of
ICAR – National Institute of Abiotic Stress management is located at ____
If a farmer aims to break hard pans in the soil without inverting it and with minimal disturbance to the topsoil, which method of tillage is most suitable?
Which of the following is not a function of Auxin?
The term used in genetics in which an offspring to resemble its parent is known as
The first stable compound formed in the photosynthesis of C3 plants is :
The rural development projects and men behind them are listed below. Which of the following is correctly matched?
1. Bhoodan Movement – Albert ...
What is the current yield of cotton per hectare in India?
Relevant for Exams:
