In a class there are 40 students (only boys and girls}. The number of girls is three-sevenths of the number of boys. Find the number of boys in the class
Given:
Total students = 40
Solution:
As given in question,
Let number of boys = x
Number of girls =
Total students =
According to the question,
Total students are 40, so
=> = 40
=> x = 28 students
Thus, the correct answer is option(a).
English
100 Questions
100 Marks
90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishIn an examination 95% of the candidates passed and 150 failed. The number of candidates who appeared in the examination is.
The population of a district is 327000, out of which 224000 are males. 65% of the population is literate. If 65% males are literate, then what percentage of females are literate?
The population of a district is 383000, out of which 221000 are males. 58% of the population is literate. If 58% males are literate, then what percentage of females are literate?
The population of a district is 357000, out of which 194000 are males. 47% of the population is literate. If 47% males are literate, then what percentage of females are literate?
Two years ago, the population of a city was 1,10,000. The population increased by 10% in the first year and decreased by 10% in the second year. Find the present population.
The population of a district is 368000, out of which 220000 are males. 62% of the population is literate. If 62% males are literate, then what percentage of females are literate?
The current population of a town is 14,680. It increases by 25% and 70% in two successive years but decreases by 20% in the third year. What is the population of the town at the end of the third year?
The population of a district is 335000, out of which 214000 are males. 31% of the population is literate. If 31% males are literate, then what percentage of females are literate?
What will be difference in population 3 years ago and 2 years ago of a town, whose current population is 110000 and which is increasing at a rate of 25% every year?
The population of a district is 373000, out of which 227000 are males. 69% of the population is literate. If 69% males are literate, then what percentage of females are literate?
Suggested Test Series
Suggested Test Series
