Advertisements
Advertisements
Question
Choose the correct answer from the given options :
When the number 210 is increased in the ratio 5 : 7, the new number is
Options
150
180
294
420
Advertisements
Solution
210 is increased in the ratio 5 : 7, then
New increased number will be
= 210 × `(7)/(5)`
= 294
APPEARS IN
RELATED QUESTIONS
Find duplicate ratio of `3sqrt(3) : 2sqrt(5)`
If x = `"pab"/("a + b")`, then prove that `("x + pa")/("x - pa") + ("x + pb")/("x - pb") = (2("a"^2 - "b"^2))/"ab"`
If `(7"m" + 2"n")/(7"m" - 2"n") = 5/3` use properties of proportion to find:
(i) m : n
(ii) `("m"^2 + "n"^2)/("m"^2 - "n"^2)`
The hypotenuse of a right angled triangle is 3`sqrt(5)`. If the smaller side is tripled and the larger side is doubled, the new hypotenuse will be 15 cm. Find the length of each side.
If (4x + 3y) : (3x + 5y) = 6 : 7, find x : y
Write the following ratio in the simplest form:
48 min : 2 hours 40 min
Ratio of 75 paise to ₹ 2 = _____________
The ratio of 8 books to 20 books is ______.
In a floral design made from tiles dimensions 40 cm by 60 cm (See figure), find the ratios of the perimeter of shaded portion to the perimeter of the whole design.

A car can travel 240 km in 15 litres of petrol. How much distance will it travel in 25 litres of petrol?
