সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
If a3 - b3 = 513 and a - b = 3, then ab =?
If a3 - b3 = 513 and a - b = 3, then ab =?
- ক. 54
- খ. 55
- গ. 45
- ঘ. 34
সঠিক উত্তরঃ 54
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- A train passes city X at 8.25 am and city Y at 11.05 am. The distance between city X and Y is 320 miles. What is the average speed in miles per hour of the train?
- If Tk.45000 was invested in the share market when the price per share was Tk.90 and Tk.30000 was invested when the price per share was Tk.100, what was the average price per share purchesd?
- Average of P numbers is x and average of N numbers is y. Find the average of all of the numbers.
- Francis had an average of 75 on her first four Geometry test. After taking the next test her average dropped to 72. How much did she get in fifth test?
- The average of a, b, c is 6 and a - b = 4, ab = 21, what is the value of c?
There are no comments yet.