Question
Who among the following was the first Director of
Bureau of Indian Standards?Solution
Dr. Lal C. Verman was the first Director of Bureau of Indian Standards Dr Pramod kumar Tiwari – present Director Sh Rohit Kumar Parmar- Director in 2019 Sh Piyush Goyal – Present President
The speed of a train is 72 km/hr and it takes 12 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
A boy goes to school at 9 km/Hr and return at a speed of 8 km/hr. If he takes 17 hrs in all. Find the distance from his village to school?
The speed of the cycle changes with the change in speed of wind. Time taken by cycle to travel 20 km., is 2 hours when wind is in the direction of the c...
A train 180 meters long is moving at a speed of 72 km/h. How long will it take to cross a platform 120 meters long?
In a 250-metre race, ‘A’ beats ‘B’ by 16 seconds or 80 metres. Find the time taken by ‘B’ to finish the race.
A man running with the speed of 65 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 70 km/h in (x...
- In a 250 metres race, 'K' beats 'M' by 50 metres, and 'M' beats 'L' by 20 metres. By how many metres does 'K' beat 'L'?
If the diameter of a sphere is 42 cm, find the total surface area of the sphere.
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 4:3 respectively. Ajay left the place 36 seconds after Vishal. If af...
- A person completes a journey in 300 minutes by train at a speed of 60 km/h. What should be his speed by bus to cover the same distance in 7 hours?
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