If a distance of 50 m is covered in 1 minute, 90 m in 2 minutes and 130 m 3 minutes. Find the distance covered in 15th minute.
A. 610 minutes
B. 750 minutes
C. 1000 minutes
D. 650 minutes
Answer: Option A
Solution(By Examveda Team)
Distance covered in 1 min = 50 mDistance covered in 2 min = 90 m
Similarly, 1st min, 2nd min, 3rd min . . . . . 15th
Distance → 50 m + 90 m + 130 m + . . . . . . . .
By using A.P.
a = 50 m
d = (90 - 50) = 40 m
Tn = a + (n - 1)d
= 50 + (15 - 1) × 40
= 50 + 560
= 610 minutes
Related Questions on Speed Time and Distance
A. 48 min.
B. 60 min.
C. 42 min.
D. 62 min.
E. 66 min.
A. 262.4 km
B. 260 km
C. 283.33 km
D. 275 km
E. None of these
A. 4 hours
B. 4 hours 30 min.
C. 4 hours 45 min.
D. 5 hours
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