- 37
- 37.8
- 39
- 39.8
Solution:
Prime Number between 30 to 50 = 31, 37, 41, 43, 47
Sum of prime number = 31 + 37 + 41 + 43 + 47 = 199
Average = 199/5
= 39.8
- 20
- 24
- 22
- 26
- 726 m3
- 828 m3
- 869 m3
- 1127 m3
Solution:
35 Laborers ⇒ 5hrs (for 805 cubic meters earth)
30 Laboureres ⇒ x
By Cross multiplication 30*5 = 35*x ⇒x=30/7 hrs
805 cubic meters ⇒ 30/7 hrs (for 30 labourers)
y cubic meters ⇒ 6hrs
805*6 = (30/7)*y
⇒ y = 805*6*(7/30)
⇒ y = 1127 cubic meters
- 3000
- 2000
- 1000
- 750
- 9 cubic inches
- 15 cubic inches
- 18 cubic inches
- 27 cubic inches
- 4653
- 4818
- 4404
- 4501
- 280
- 285
- 290
- 295
Solution:
average = (vistors* sunday + vistors * otherdays) /30
(510 * 5 + 240 * 25) / 30
= 8550/30
= 285
- 40
- 50
- 54
- 60
