Speed = 90×185=25 m/s.
Total distance = speed × time = 25×20=500 m.
Platform length = 500−400=100 m.
A 400 m long train passes a railway platform in 20 seconds with speed 90 km/hr. What is the length of platform?
Held on 6 Aug 2022 · Verified 13 Jul 2026.
105 m
102 m
99 m
100 m
Sign in to track your attempts and accuracy.
Sign in to keep a private note on this question. Nothing you write is ever public.
X, Y and Z together can do a piece of work in 16 (4/11) days. X and Y together can do the same work in 20 days. In how many days will Z alone finish the 60% of the work?
If the mean of five observations x + 1, x + 2, x + 3, x + 4 and x + 5 is 15, then what is the mean of the first three observations?
Amit is walking at a speed of 10 km/hr. After every kilometer, he takes a rest for 5 minutes. What is the time taken to cover a distance of 5 kilometers by Amit?
The difference between cost price (CP) and selling price (SP) of an article is Rs 240. If the profit is 20%, then the selling price is
Consider the following frequency distribution. | Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | |---|---|---|---|---|---|---|---| | Frequency | 4 | 5 | 7 | 10 | 12 | 8 | 4 | Find the median of the distribution?
Work through every CUET UG Arithmetic PYQ, year by year.