What percentage is 500 m of 5 km?
1:100
10:1
100:1
1:1000
Since, 1 km = 1000 m ⇒ 5 km = 5000 m
Required ratio = 5005000 = 1 : 10
⇒Required percentage = 10%
Find the ratio of 5 km to 250 m. (Select all the options that are correct)
Question 4
The expanded form of the number 9578 is (A) 9 × 10000 + 5 × 1000 + 7 × 10 + 8 × 1 (B) 9 × 1000 + 5 × 100 + 7 × 10 + 8 × 1 (C) 9 × 1000 + 57 × 10 + 8 × 1 (D) 9 × 100 + 5 × 100 + 7 × 10 + 8 × 1
A gun weighing 4 kg fires a bullet of 40 g with a velocity of 500ms−1. With what velocity does the gun recoil?