A retail buyer purchase 15 white dress shirts for Tk. 1000 and 5 striped dress shirts Tk. 400. At what average price the retailer should sell a dress shirt if he wants to make a proftit of Tk. 50 each shirt?
Alam spent 20% of his income on taxes and 20% of the remainder on rent. What percent of his income he has spent on rent?
Which of the following is the lowest positive integer divisible by 2,3,4,5,6,7,8 and 9?
20 men can finish a work in 30 days after how many days should 5 men leave the work so that the work may be finished in 35 days?
The pipe can independently fill a water tank in 10,12 and 15 hours. How many hours will take for all three pipes opened together to fill half of the tanks?
In a class of 30 students 18 play football, 14 play cricket and 5 do not play any game. How many students play both the game?
An amount of money becomes Tk. 1,860 at an interest rate of 8% in 3 years . How many years the money would take to become Tk. 2040 at the same interest rate?
If a : b= 4 : 7 and b : c= 5 : 6 ,then a : b : c is--
A number is multiplied by 4 and then the product is divided by 100. This same result can be obtained if the original number divided by-
একটি চৌবাচ্চার দৈর্ঘ্য ৩ মিটার, প্রস্থ ২ মিটার ও উচ্চতা ৪ মিটার । এতে কত লিটার পানি ধরবে?
১৩ সে.মি ব্যাসার্ধ বিশিষ্ট বৃত্তের একটি জ্যা এর দৈর্ঘ্য ২৪ সে.মি হলে কেন্দ্র থেকে উক্ত জ্যা এর লম্ব দূরত্ব কত সে.মি?
এক কুইন্টাল সংখ্যাকে ওজনে কত কিলোগ্রাম হয়?
কোন ক্ষুদ্রতম সংখ্যাকে ৩, ৫, ৯ দ্বারা ভাগ করলে ভাগশেষ ২ হবে?
The smallest five digit number that can be formed by using the digits 9 , 7, 4 ,0 and 1 , each only once, is
The deference between 59% of 650 and 82% of 444 is
On fixed deposits, Bank X offers an interest of 13.5% per year and Bank Y offers 14.00% per annum. Arianna kept taka one million with Bank X for a year and Tatiana kept the same amount in Bank Y also for a year? How much did Arianna lose at the end of the year in taka?
A's office is 4 km due east of B's office . C's office is 6 km due north of B's office and 4 km due east of D's office. What is the straight-line distance, in km, from A's office to D's?
The value of the angle formed at the center of a circle is
A fair coin is to be tossed 100 times with each toss resulting in a head or a tail. If H is the total number of heads and T is the total number of tails, which of the following events has the greats possibility?
The average (arithmetic mean ) of x and y is 40 . If z=10 , what is the average of x, y and z?