Question 65

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is

Solution

Let number of boys be $$x$$ and number of girls be $$y$$

According to ques,

=> $$16.4x+15.4y=15.8(x+y)$$

=> $$16.4x+15.4y=15.8x+15.8y$$

=> $$0.6x=0.4y$$

=> $$\frac{x}{y}=\frac{0.4}{0.6}=2:3$$

=> Ans - (B)

View More Questions From Quant

Create a FREE account and get:

All Quant Formulas and Shortcuts PDF
100+ previous papers with solutions PDF
Top 5000+ MBA exam Solved Questions for Free

maruti sir image

MAT Quant Questions | MAT Quantitative Ability

MAT Logarithms Questions MAT Functions, Graphs and Statistics Questions MAT Number Systems Questions MAT Geometry Questions MAT Time And Work Questions MAT Progressions and Series Questions MAT Time, Speed and Distance Questions MAT Quadratic Equations Questions MAT Time Speed Distance Questions MAT Mensuration Questions MAT Number Series Questions MAT Data Sufficiency Questions MAT Linear Equations Questions MAT Averages, Ratio and Proportion Questions MAT Profit and Loss Questions MAT Percentages Questions MAT Probability, Combinatorics Questions MAT Profit And Loss Questions MAT Logarithms, Surds and Indices Questions MAT Averages Questions MAT Algebra Questions MAT Coordinate Geometry Questions MAT Venn Diagrams Questions MAT Simple Interest Compound Interest Questions MAT Remainders Questions MAT Averages Mixtures Alligations Questions MAT Arithmetic Questions MAT Inequalities Questions

MAT DILR Questions | LRDI Questions For MAT

MAT Arrangement Questions MAT Data Interpretation Basics Questions MAT Data Interpretation Questions MAT Venn Diagrams Questions MAT Table based DI Sets Questions MAT DI Miscellaneous Questions MAT Special Charts Questions MAT Puzzles Questions MAT Selection With Condition Questions MAT Scheduling Questions MAT 2D & 3D LR Questions MAT Games and Tournamnents Questions MAT Truth Lie Concept Questions MAT Quant Based DI Questions MAT Routes And Networks Questions MAT Coins and Weights Questions MAT Quant Based LR Questions MAT DI with connected data sets Questions MAT Maxima-Minima Questions MAT Miscellaneous LR Questions MAT Data change over a period Questions MAT Charts Questions

MAT Verbal Ability Questions | VARC Questions For MAT

MAT Para Jumbles Questions MAT Miscellaneous Questions MAT Critical Reasoning Questions MAT Odd One Out Questions MAT Para Summary Questions MAT Reading Comprehension Questions MAT Grammar and Sentence Correction Questions MAT Verbal Ability Questions MAT Vocabulary Questions