Question

there were 850 students studying in higher standards the number of students in standard 10,11 and 12 were in the proportion of 8:5:4 in standard 10 the number of boys and girls is 30% of the number of students in the school in standard 11 number of boys and girls are equal in standard 12 the number if boys is three times the number if girls. present the above data in tabular form.​

Answer 1

Answer:

The number of boys and girls in a class are in the ratio 5:6 The number of boys is 5 less than the number of girls. What is the total number of students in that class.

Answer 2

Algebra

Given:

850 students are studying in higher standards.

Ratio of number of students in class 10: class 11: class 12 is 8:5:4.

Number of boys  in class 10 is 30% of the number of students in school.

In class 11th number of boys and girls is equal.

In class 12th the number of boys is three times the number of girls.

To find:

Present above data in tabular form.

Explanation:

Number of students in Std. 10 $= \frac{8}{17} \times 850 = 400$

Number of boys in Std. 10 $= 850 \times\frac{30}{100} = 255$

∴ Number of girls in Std. 10 $= (400 - 255 )= 145$

Number of students in Std. 11 $= \frac{5}{17} \times850 = 250$

(Std. 11) Number of boys = Number of girls $=\frac{250}{2}=125$

Number of students in Std. 12 $= \frac{4}{17}\times 850 = 200$

Number of boys in class 12th $=\frac{3}{4} \times200 = 150$

Number of  girls in class 12th $= \frac{1}{4} \times 200 = 50$

All data in lowest form is  shown in tabular form.

It is attached in image.