Question
If the sum of two numbers is 126 and their HCF and LCM
are 7 and 180, respectively, then the sum of the reciprocals of the two numbers is:Solution
The correct answer is B
A man first travels 140 km at 70 km/hr and next 140 km at 35 km/hr. The average speed for the first 280 km of his travelling is:
In a 500-metre race, ‘A’ beats ‘B’ by 10 seconds or 50 metres. Find the time taken by ‘B’ to finish the race.
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A was travelling from point X to point Y. He increased his speed by 18 km/h after every hour. He reached his destination in 20 hours. If his initial spe...
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‘A’ and ‘B’ started moving towards each other at same time with a speed of 15 km/hr and 10 km/hr, respectively. If the di...
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A man travelled a total distance of 350 km. He travelled first 200 km on car with a speed of 20 km/h and rest of the distance on bike whose speed is 5 k...
A train is travelling at the rate of 54 km/hr. How many seconds it will take to cover a distance of 3/5 km?
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