৯৯৫১
At 8 am two trains started traveling towards each other from stations 300 Km apart. They passed each other at 12 noon. the same day. If the average speed of the faster train was 9 km more than that of the slower train, then what is the speed of the faster train in km/ hr ?
উত্তর
42
৯৯৫২
There are 8 marbles in a box 6 red and 2 black. If you randomly pick 2 marbles simultaneously what is the probability that you will get one red and 1 black marble?
উত্তর
3/7
৯৯৫৩
Jashim and Imran start walking from A to B at 5 and 3 km per hour respectively. Jashim reaches B and starts back for A. How far from B will he meet Imran if the distance between A and B is 32 km?
উত্তর
8
৯৯৫৪
Babu bought two varieties of pulse, costing Tk. 50 and Tk. 60 per Kg. each, and mixed them in some ratio. He then sold the mixture at Tk. 70 per kg., making a profit of 20 percent. What was the ratio of the mixture?
উত্তর
1 : 5
৯৯৫৫
3/8 of all applicants for a job are male. 3/4 of all applicants are rejected in the first round including 2/3 of all male applicants. What fraction of applicants remaining after the first round are male?
উত্তর
1/2
৯৯৫৬
x, y are positive integers. When x is divided by y, the remainder is 5. If x/y=5.20, what is the value of x?
উত্তর
130
৯৯৫৭
Q(56-60): In a talk show, there are 7 chairs in a row - opposite to the host of the program. Seven discussants A, B, C, D, X, Y, and Z. will participate in the talk show. The chairs are numbered 1 to 7 from left to right. The sitting plan must be done according to the following conditions: A must occupy 1st, 2nd or 3rd chair. C must sit immediately before B. D cannot sit in the 1st or last chair. X must sit either in the 1st or last chair. Y must be on one of the last three chairs. 56. Which of the following is an acceptable order for the sitting arrangement?
উত্তর
C, B, A, D, Z, Y, and X.
৯৯৫৮
If Z, D and A occupy three consecutive chairs - in the same order, then C must occupy
উত্তর
4 th