Advertisements
Advertisements
प्रश्न
If a bus covers 195 km in 3 hours and a train covers 300 km in 4 hours, then the ratio of their speeds is
विकल्प
13 : 15
15 : 13
13 : 12
12 : 13
उत्तर
13 : 15
`"Speed" = "Distance"/"Time"`
Speed of the bus = `(195 "km")/(3 "hr")` = 65 km/hr
Speed of the train = `"300 km"/"4 hr"` = 75 km/hr
Ratio = `65/75=(65 ÷ 5)/(75 ÷ 5) = 13/15` = 13:15
APPEARS IN
संबंधित प्रश्न
If r2 = pq, show that p : q is the duplicate ratio of (p + r) : (q + r).
If m : n = 3 : 8, find the value of (3m+2n) : (5m+n)
Find the compounded ratio of the following:
15: 16 and 8 : 5
Which ratio is greater:
`8/15` or `5/9`
If (4x + 3y) : (3x + 5y) = 6 : 7, find x, if y = 10
Are the following numbers in proportion 12, 15, 18 and 20?
Find the reciprocal ratio of 4 : 7
Ratio of 3 m to 200 cm = _____________
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
AC : AF
See the figure and find the ratio of number of circles to all the figures inside the rectangle.
