Advertisements
Advertisements
प्रश्न
Find the compound ratio of `sqrt(2) : 1, 3: sqrt(5)` and `sqrt(20) : 9`
Advertisements
उत्तर
Required compound ratio = `sqrt(2) xx 3 xx sqrt(20) : 1 xx sqrt(5) xx 9`
= `(sqrt(2) xx 3 xx sqrt(20))/(1 xx sqrt(5) xx 9)`
= `(sqrt(2) xx sqrt(4))/3`
= `(2sqrt(2))/3`
= `2sqrt(2) : 3`
संबंधित प्रश्न
`square` ABCD is a parallelogram. The ratio of `angle`A and `angle`B of this parallelogram is 5 : 4. Find the measure of `angle`B.
The weekly expenses of a boy have increased from ₹ 1,500 to ₹ 2,250. Find the ratio of:
(i) increase in expenses to original expenses.
(ii) original expenses to increased expenses.
(iii) increased expenses to increase in expenses.
Find the sub-triplicate ratio of 1 : 216
Rohit earns Rs 15300 and saves Rs 1224 per month. Find the ratio of
(i) his income and savings:
(ii) his income and expenditure;
(iii) his expenditure and savings.
The ratio of income to the expenditure of a family is 7 : 6. Find the savings if the income is Rs 14000.
Fill in the place holder:
Mathematics textbook for Class VI has 320 pages. The chapter ‘symmetry’ runs from page 261 to page 272. The ratio of the number of pages of this chapter to the total number of pages of the book is ______.
Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.
There are 20 girls and 15 boys in a class. What is the ratio of number of girls to the number of boys?
There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.
