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0:00 Quantitative Aptitude
0:46 FORMULA
5:21 A boy increases his speed to 9/5 times of his original speed. By this he reaches his school 30 minutes before the usual time. How much time does he takes usually?
8:32 Ramesh sees a thief at a distance of 80 m. Ramesh starts chasing the thief who is running at a speed of 5 m/s. Ramesh is chasing him with a speed of 7 m/s. How much distance does the thief cover before Ramesh catches him?
12:47 P, Q and Rare in a cycle race of 4500 meters. P cycles twice as fast as Q. R cycles 1/3rd as fast as Q. R completes the race in 45
15:52 Ajay and Vijay travel from A to B at 17 km/hr and 19 km/hr, respectively. A is 72km away from B. Vijay reaches B first and returns immediately and meets Ajay at C. Find B to C distance?
19:22 Surendra travels from home to office by car. With an average speed of 50 km/hr, he is late by 30 minutes. But when he comes with a speed of 60 km/h, he reaches his office 10 minutes earlier.
24:49 Rohit drives from his home at a speed of 30 km/hr and reaches his bank 20 minutes late. Then the next day he increases his speed by 15 km/hr but still he is late by 8 minutes. How far is his bank from his home?
27:01 Pratik travels 96 kms at a speed of 16 km/hr using a bike, 124 kms at 31 km/h by car and another 105 kms at 7 km/h in horse cart. Then, find his average speed for the entire distance travelled?
30:17 Rohit covers onefourth of the total distance at 20 km/hr, one fourth at 10 km/h and rest of his journey at 80 km/h. Find Rohit's average speed for the whole distance?
33:47 A walks from Jammu to Delhi and at the same time B starts walking from Delhi to Jammu. After passing each other, they complete their journeys in 361 hours and 289 hours, respectively.
37:13 A car travelling with 5/7th of its actual speed covers 42km in 1hr. 40mins. 48 secs. Find the actual speed of the car.