Advertisements
Advertisements
Question
Two numbers are in the ratio 5: 7. Their difference is 10. Find the numbers.
Advertisements
Solution
Ratio between two numbers = 5:7
Difference = 7-5 = 2
If difference is 2, then first number = 5
and if difference is 10, then first number
`= 5/2 xx 10 = 25`
and second number = `7/2 xx 10 = 35`
APPEARS IN
RELATED QUESTIONS
The ratio between the number of boys and the number of girls in a class is 4:3 . If there were 20 more boys and 12 less girls, the ratio would have been 2:1. Find the total number of students in
the class.
If `"x"/("b + c - a") =" y" /("c + a - b") = "z"/("a + b - c")` , then prove that each ratio is equal to the ratio of `("x + y+z")/("a + b + c")`
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
Write the following ratio in the simplest form:
1 L 35 mL : 270 mL
Find the value of x when 36 : x : : x : 16.
The ratio of ₹ 1 to 20 paise is _______________
From your school diary, write the ratio of the number of holidays to the number of working days in the current academic year
The ratio 4 : 16 is in its lowest form.
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.

Out of 30 students in a class, 6 like football, 12 like cricket and remaining like tennis. Find the ratio of number of students liking cricket to total number of students.
