From the table, answer the following questions.
The percentage of increase in speed during $9.00$ hrs and $11.00$ hrs is ___________.
Time(in hrs.) $5$ $7$ $9$ $11$ $13$ $17$ $15$ $19$ $21$
Speed (in km/hour) $40$ $50$ $60$ $70$ $65$ $75$ $60$ $50$

33 \frac{1}{3} %

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

35 %

No worries! We‘ve got your back. Try BYJU‘S free classes today!

23 \frac{1}{3} %

No worries! We‘ve got your back. Try BYJU‘S free classes today!

45 %

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $33 \frac{1}{3} %$
At $9.00$ hours speed $= 60$ km/hr
And at $11.00$ it is $= 70$ km/hr
Then, percentage increase in speed $= \frac{70 - 60}{60} \times 100 = \frac{100}{6} = 33 \frac{1}{3} %$

Suggest Corrections

Similar questions

5.00

7.00

9.00

Time(in hrs)	$5$	$7$	$9$	$11$	$13$	$17$	$15$	$19$	$21$
Speed(in km/hour)	$40$	$50$	$60$	$80$	$70$	$65$	$75$	$60$	$50$

19.00

21.00

Time(in hrs)	$5$	$7$	$9$	$11$	$13$	$17$	$15$	$19$	$21$
Speed (in km/hour)	$40$	$50$	$60$	$80$	$70$	$65$	$75$	$60$	$50$

Ajay drove for 3 hours at a rate of 50 km per hour and for 2 hours at 60 km per hour. What was his average speed for the whole journey?

Time (in hours):	7:00	8:00	9:00	10:00	11:00	12:00	13:00	14:00
Speed (in km/hr):	30	45	60	50	70	50	40	45

30 - 35, 35 - 40

40 - 45

Join BYJU'S Learning Program

Time(in hrs.)	$5$	$7$	$9$	$11$	$13$	$17$	$15$	$19$	$21$
Speed (in km/hour)	$40$	$50$	$60$	$70$	$65$	$75$	$60$	$50$