Question
What value should come in place of (?) question
mark. √2025 − √729 + (24 × 32) ÷ 6 = ?Solution
√2025 = 45 √729 = 27 45 − 27 = 18 24 = 16, 32 = 9 (24 × 32) ÷ 6 = (16 × 9) ÷ 6 = 144 ÷ 6 = 24 Total = 18 + 24 = 42
Two cyclists start together from the same point and move along a straight road in the same direction. One moves at 18 km/h and the other at 24 km/h. Aft...
Rafique had to cover 540 km in 24 hours. He covered the first 350 km at an average speed of 25 km/h. What should be Rafique's average speed for the rest...
Buses A and B are moving around a circular ground of radius 210 m. If the speeds of the buses A and B are 16 m/sec and 20 m/sec respectively, then what ...
- A cyclist starts from village 'M' at 8:00 AM towards village 'N' at 20 km/h. A biker starts from 'M' at 9:30 AM in the same direction at 60 km/h. Find the ...
Speed of a car and a bus is 30 km/h and 6 km/h, respectively. If the time taken by the car to cover a distance of ‘10x’ km is 2 hour less than time ...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 247.5 km away, then the usual speed of...
Ravi appointed 24 workers to finish a job in 18 days. After 9 days, he saw that only 1/3 of the job was completed. If 'n' is the number of additional wo...
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
Buses A and B are moving around a circular ground of radius 280 m. If the speeds of the buses A and B are 12 m/sec and 20 m/sec respectively, then what ...
- A spy is 1.8 km ahead of an agent who begins to chase him. The agent runs at a speed of 12 m/s, while the spy runs at 8 m/s. How much time will the agent t...
