# Convert 10m/ second into km/hour.

**Answer: (4) 36**

**Explanation:-**

speed = 10 m /sec

As we know that 1 m = 1/1000 km & 1 sec = 1/60 x 60 hr => 1/3600 hr.

Then, 10 m/sec = 10 x 3600/1000

= 36 km/hr

Hence, the answer is (4) 36.

**Answer: (4) 36**

**Explanation:-**

speed = 10 m /sec

As we know that 1 m = 1/1000 km & 1 sec = 1/60 x 60 hr => 1/3600 hr.

Then, 10 m/sec = 10 x 3600/1000

= 36 km/hr

Hence, the answer is (4) 36.