৪৫২১
কোনো সরল রেখার x অক্ষের ঋণাত্মক দিকের সাথে 45° কোন উত্পন্ন করলে ধনাত্মক দিকে রেখাটির ঢাল হবে-
উত্তর
-1
৪৫২৩
ABCD সামান্তরিকের A,B,C বিন্দু তিনটির স্থানাংক যথাক্রমে (1,2),(3,4),(1,0) হলে, D বিন্দুর স্থানাংক হবে-
উত্তর
(-1,-2)
৪৫২৪
A store owner brought a lot of hats, 1/4th of which was brown. He sold 2/3 of the hats including 4/5 of the brown hats. What fraction of the unsold hats was brown?
উত্তর
3/20
৪৫২৫
A merchant sells an item at a 20 percent discount , but still makes a gross profit of 20 percent of the cost. what percent of the cost would be the gross profit on the item. if it were sold without discount?
উত্তর
50%
৪৫২৬
Let a , b and c be positive prime integers such that a +b =c.what is the sum of the three smallest possible values of c?
উত্তর
25
৪৫২৭
The square of a whole number is between 1500 and 1600. The number must be between-
উত্তর
35 and 40
৪৫২৮
The owner of an apple orchard ships apples in boxes that weight 2 kg when empty. The average apple weight 0.25 kg. and the total weight of a box filled with apples is 12 kg How many apples are packed in each box?
উত্তর
40
৪৫২৯
Rahim has a business of renting out costume products. For each costume he rents out. Rahim receives a commission of Tk. 15 plus 20% of the rental price. During one particular Tk. 7,950.What is the total amount of commission he received in that month.
উত্তর
Tk. 2,340
৪৫৩০
Jony has 30 pages to read for history class tonight. He decided that he would take a break when he finished reading 70% of the pages assigned. How many pages assigned. How many pages must he read before he takes a break?
উত্তর
21