621. An object travels 990 metres in 3 seconds. What is its average speed in metres per second?
✅ B. 330
a: 331 | b: 330 | c: 329 | d: 332 Read more
✅ B. 330
a: 331 | b: 330 | c: 329 | d: 332 Read more
✅ B. 988
a: 990 | b: 988 | c: 989 | d: 987 Read more
✅ B. 89
a: 90 | b: 89 | c: 91 | d: 88 Read more
✅ B. 122
a: 121 | b: 122 | c: 124 | d: 123 Read more
✅ C. 32000
a: 1032 | b: 3200 | c: 32000 | d: 320 Read more
✅ D. 31000
a: 3100 | b: 1031 | c: 310 | d: 31000 Read more
✅ C. 30000
a: 3000 | b: 300 | c: 30000 | d: 1030 Read more
✅ B. 29000
a: 1029 | b: 29000 | c: 290 | d: 2900 Read more
✅ D. 31000
a: 3100 | b: 1031 | c: 310 | d: 31000 Read more
✅ B. 28000
a: 2800 | b: 28000 | c: 1028 | d: 280 Read more
✅ C. 27000
a: 270 | b: 1027 | c: 27000 | d: 2700 Read more
✅ D. 31000
a: 3100 | b: 1031 | c: 310 | d: 31000 Read more
✅ C. 30000
a: 3000 | b: 300 | c: 30000 | d: 1030 Read more
✅ B. 29000
a: 1029 | b: 29000 | c: 290 | d: 2900 Read more
✅ B. 26000
a: 260 | b: 26000 | c: 1026 | d: 2600 Read more
✅ C. 30000
a: 3000 | b: 300 | c: 30000 | d: 1030 Read more
✅ B. 28000
a: 2800 | b: 28000 | c: 1028 | d: 280 Read more
✅ B. 25000
a: 2500 | b: 25000 | c: 250 | d: 1025 Read more