Advertisements
Advertisements
प्रश्न
If x : y = 2 : 3, and y : z = 4 : 7, find x : y : z
Advertisements
उत्तर
LCM of y's terms 3 and 4 = 12
Making equals of y as 12
`x/y = (2)/(3) = (2 xx 4)/(3 xx 4) = (8)/(12)` or 8 : 12
`y/z = (4)/(7) xx (3)/(3) = (12)/(21)` or 12 : 21
Then x : y : z = 8 : 12 : 21.
APPEARS IN
संबंधित प्रश्न
If (x - 9) : (3x + 6) is the duplicate ratio of 4: 9, find the value of x.
Find the compound ratio of 2a : 3b, mn : x2 and x : n
Convert the following percentage to fractions and ratio:
25%
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
If x, y, and z are in continued proportion, then which of the following is true:
y : x = y : z
Find the third proportional to ₹1.60, ₹0.40
If y (3x – y) : x (4x + y) = 5 : 12. Find (x² + y²) : (x + y)².
Find the ratio of:
150 mL to 2 L
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 cricket to the number of students opting basketball.
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father after 10 years to the age of son after 10 years.
