If 8+√k =15 ;then k=?
A. 7
B. 49
C. 526
D. √7
সঠিক উত্তরঃ
B.
49
Explanation:

Related Questions (Any University/Year)
- If N is the third of seven consecutive odd number calculate their average.
- A PhD research group has 12 male and 18 female participants. Males are what fraction of the class?
- ডাক্তার রোগীকে প্রতি ২ ঘন্টা পর পর খাওয়ার জন্য ৬টি বড়ি দিলেন। শেষ বড়িটি রোগী কত ঘণ্টা পরে খাবেন?
- Three friends - Anwar, Bobby and Dipu divided Tk. 1105 amongst them in such a way that if Tk. 10, Tk. 20 and Tk. 15 were removed from the amount that Anwar, Bobby and Dipu received respectively, then the share of the amount they got would be in the ratio of 11 : 18 : 24. How much did Dipu receive?
- The number 0.127 is how much greater than 1/8
- ৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রীর গড় CGPA ৪.৭২। এই ৯০ জন ছাত্র-ছাত্রীর গড় CGPA কত?
- একটি বড় বাক্সের মধ্যে ৪টি বাক্স আছে ও তার প্রত্যেকটির ভেতর ৪টি করে ছোট বাক্স আছে। মোট বাক্সের সংখ্যা কত?
- If 1/x+5/y4/3 and x = 3y, then y = ?
- সঠিক বন্ধনীর ব্যবহার হয়েছে নিচের কোন সমীকরণে?
- Monti always jogs to school at a speed of 6 kilometers per hour, and walks home along the same route at a speed of 3 kilometers per hour. If he spends exactly one hour total traveling both ways, how many kilometers is his school from his home?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- A train covers the distance y miles between two cities at a speed of x mph, arriving 2 hours late. What speed would permit the train to arrive on schedule?
- The price of article has been reduced 25%.In order to restore the original price the new price must be increased by
- Lamisa's age is 5 years more than twice Gallb's age. Zihan's age is 13 years less than 10 times Galib's age. If Zihan is 3 times as old as Lamisa, how old is Lamisa?
- Anwar can fill a pool with buckets of water in 30 minutes, Bobby can do the same job in 45 minutes, and Dipu can do the same job in \(1\frac{1}{2}\) hours. How quickly can all three fill the pool together (in minutes)?
- The difference of two numbers equals 60% of the smaller number. What is the ratio of the bigger number to the smaller number?
- দুইটি ক্রমিক সংখ্যার বর্গের পার্থক্য ১৯। তার মধ্যে একটি সংখ্যার বর্গমূল ৩ হলে অন্যটি কত?
- Jubair has tk 1,80,000 in his Bank account . He made the following transactions: checks were written for tk 20,000 , tk 13,000 ,tk 40,000 and tk 18,000. Deposits of tk 60,000 and tk 1,03,000 were made in the account. Interest amount added in the balance was tk 50,000 and service fees charged by the bank was tk 15,000. What is the final balance to the account?
- Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce total of 200 bolts?
- কঃখ =৩ঃ৫, খঃগ =৪ঃ৭, হলে, কঃগ = কত?