Advertisements
Advertisements
प्रश्न
If x : y − 5 : 4 and 2 : x = 3 : 8, find the value of y.
Advertisements
उत्तर
x : y = 5 : 4
and 2 : x = 3 : 8
Then, `"x"/"y" = 5/4` ...(i)
and `2/"x" = 3/8` ...(ii)
`"x" = (2 xx 8)/3 = 16/3`
Now put the value of x in eq. (i)
`"x"/"y" = 5/4`
y = x `xx 4/5`
y = `16/3 xx 4/5 = 64/15`
The value of y is `64/15` or approximately 4.27.
APPEARS IN
संबंधित प्रश्न
If m : n is the duplicate ratio of m + x : n + x; show that x2 = mn.
If a : b = 3 : 5, find: (10a + 3b) : (5a + 2b)
Find the reciprocal ratio of 3 : 5
Find the ratio of the following in the simplest fcrm:
5.60 and 2.40
Fill in the place holder:
Find the compound ratio of:
(a + b)2 : (a – b )2 ,
(a2 – b2) : (a2 + b2),
(a4 – b4) : (a + b)4
Akilan walks 10 km in an hour while Selvi walks 6 km in an hour. Find the simplest ratio of the distance covered by Akilan to that of Selvi.
The cost of parking a bicycle is ₹ 5 and the cost of parking a scooter is ₹ 15. Find the simplest ratio of the parking cost of a bicycle to that of a scooter
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted basketball to the total number of students.
In the ratio 7 : 11, which term is called the consequent?
