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Total students = 50 Numbers of girsl = 50 × (76/100) = 38 Number of boys = 50 – 38 = 12 For easy calculation, Ratio of girls to boys = 38 : 12 = 19 : 6 Let number of boys 6 and number of girls 19, then Average weight of 6 boys = 62 kg Sum of weight of 6 boys = 62 × 6 = 372 Average weight of 19 girls = 58 kg Sum of weight of 19 girls = 58 × 19 = 1102 Total weight of 19 girls and 6 boys = 372 + 1102 = 1474 Average weight of 25 students = 1474/25 = 58.96
The major maize producing districts in Rajasthan are -
Which earthquake measuring scale is based on Earth's rigidity and the amount and area of slip on the fault?
Which of the following is not correctly matched?
Norman Borlaug was given Nobel Prize in which field?
Which of the following pairs of State and formation year is/are correct?
I. Nagaland - 1972
II. Uttarakhand - 2000
III. Arunachal Pradesh - 1987
A. his subjects wisely
B. was a very kind and generous
C. king who looked after
D. everyone said that he
Where has the Constitution Park been inaugurated in Rajasthan by President Draupadi Murmu?
Which blood cells are called 'Soldiers' of the body?
What is the range of the intensity scale used in measuring earthquakes?