গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৩৬১–১৮৩৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A group of men decided to do a job in 4 days. But since 20 men dropped out every day, the job was completed at the end of the 7th day. How many men were there at the beginning? MCQ
- A can complete a certain job in 12 days. B is 60% more efficient than A. In how many days can B complete the same job? MCQ
- 2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days . In how many days can 2 men and 1 boy do the work? MCQ
- A computer can perform 30 identical tasks in six hours. At that rate, what is the minimum number of computers that should be assigned to complete 80 tasks within three hours? MCQ
- In a 100m race, Javed defeated Naveed by 5 seconds. If the speed of Javed is 18 Kmph, then the speed of Naveed is- MCQ
- A is twice as fast as B and B is thrice as fast as C. The journey covered by C in 78 minutes will be covered by A in- MCQ
- A cyclist moving on a circular track of radius 100 meters completes one revolution in 2 minutes. What is the average speed of a cyclist (approx.)? MCQ
- The driver of an ambulance sees a school bus 40 m ahead of him after 20 seconds, the school bus is 60 meter behind. If the speed of the ambulance is 30 km/h, what is the speed of the school bus? MCQ
- Two men X and Y start from a place P, walking at 3 kms/hr, and 4kms/hr. By how much distance apart they will be after 4 hours if they are walking in the same direction? MCQ
- A person goes from place A to another place B at a speed of 4 km/h and returns at a speed of 3 km/h. If this takes 7 h in all, then what is the distance between two places? MCQ
- A man goes half of a certain distance at 40 km/hr, and the other half 60 km/hr. His average speed for the whole journey is- MCQ
- A monkey climbs a slippery pole 12 m high. It rises 1 meter in every one minute and slips 1 /2 meter in every next minute. Find how soon it will reach the top? MCQ
- A person riding a bike crossing a bridge with a speed of 54 Km/hr. What is the length of the bridge if he takes 4 min to cross the bridge? MCQ
- The ratio between the speed of two cars is 7:8. If the 2 nd car runs 200 km in 5 hr, then find the speed of the first car- MCQ
- Three taps A, B and C together can fill an empty cistern in 10 min. The tap A alone can fill it in 30 min and the tap B alone can fill it in 40 min. How long will the tap C alone take to fill it? MCQ
- A tap can fill a tank in 30 minutes and another tap can fill the same tank in 60 minutes. lf both the taps are opened simultaneously when the tank is half empty, in how many minutes will the tank be full? MCQ
- An outlet pipe can empty a cistern in 30 min, then what part of the cistern will it empty in 1 min? MCQ
- An outlet pipe can empty a cistern in 3 h. In what time will the pipe empty two-third part of the cistern? MCQ
- If one man or two women or three boys can finish a work in 88 days, then how many days will one man, one woman and one boy together take to finish the same work? MCQ
- A bus covers a certain distance at 16 h. It covers half the distance at 40 km/h and the rest at 60 km/h. Find the length of the journey. MCQ