গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৯৬১–৩৯৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours? MCQ
- How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr? MCQ
- The ratio between the speeds of two trains is 7: 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is? MCQ
- Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse? MCQ
- The distance of the college and home of Rajeev is 80km. One day he was late by 1 hour than the normal time to leave for the college, so he increased his speed by 4km/h and thus he reached to college at the normal time. What is the changed (or increased) speed of Rajeev? MCQ
- A man traveled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village? MCQ
- Two trains starting at the same time from two stations 200 km apart and going in opposite directions cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds? MCQ
- A man covers half of his journey by train at 60 km/hr, half of the remaining by bus at 30 km/hr and the rest by cycle at 10 km/hr. Find his average speed during the entire journey? MCQ
- Two boys starting from the same place walk at a rate of 5 kmph and 5.5 kmph respectively. What time will they take to be 8.5 km apart, if they walk in the same direction? MCQ
- If θ is a positive acute angle and 4cos2θ - 1 = 0, then the value of tan(θ - 30°) is equal to? MCQ
- If cot3A = 1/√3 then A = ? MCQ
- asinθ = 1, acosθ = √3 then the value of √3tanθ - 1 = ? MCQ
- ∠B is the right angle of a right angles triangle ABC. If tanA = 1, then 2sinACosA = ? MCQ
- If secA + tanA = 5/2, what is the value of (secA - tanA)? MCQ
- If sec(4x - 50°) = cosec(50° - x), then the value of x is? MCQ
-
= ? MCQ - A pole of 66 metre long breaks into two parts without complete separation and makes an angle 30° with the ground. Find the length of the broken part of the pole. MCQ
- The value of 1 + {(tan 15° - tan 60°)/(cot 30° - cot 75°)} is - MCQ
- If sin(θ + 15°) = 3/√12 then sin2θ = ? MCQ
- If secθ + tanθ = a, then tanθ is - MCQ