A train is travelling with the speed of 120km/hr. How long will it to travel 360 km?
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2
Answer:
Given - Train traveling with speed of 120 km per
hour.
Solution - In 1 minute train travels 2 km so
it will take 3 hours to travel 360 km
Answered by
1
Step-by-step explanation:
Let a1a2a3a4a1a2a3a4 be a four digit natural number such that a1,a2,a3a1,a2,a3 are in arithmetic progression and a2,a3,a4a2,a3,a4 are in geometric progression. If a4=a1−5a4=a1−5 and d+4r=0d+4r=0 then find ∑i=14ai∑i=14ai [where d is common difference of AP and r is common ratio of G.P]
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