১১৭৪১
In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
উত্তর
24
১১৭৪২
What is the greatest number that divides 84, 144 or 18 without any remainder?
উত্তর
6
১১৭৪৪
A driver of an auto rickshaw sees a lorry 60m ahead of him. After 30 seconds the lorry is 90m behind. If the speed of the auto rickshaw is 38km/hr, then what is the speed of the lorry?
উত্তর
20km/hr
১১৭৪৫
If the ratio of speed of doing work of three persons is 1 : 3 : 5, what is the ratio of time taken by these people to do the same amount
উত্তর
15 : 5 : 3
১১৭৪৬
A right angled triangle, whose perpendicular sides measure 1.8cm and 2.4cm, is inscribed in a circle. What is the circumference of the circle (in cm)?
উত্তর
3π
১১৭৪৮
If an article was sold at 18% profit on cost price then the selling price of the article was Tk. 9,381. What would have been the selling price of the article if it was sold at 25% profit?
উত্তর
Tk. 9,937.5
১১৭৪৯
In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer. (I) 39x2 - 31x – 28 = 0 (l) y2- 25y + 114 = 0
উত্তর
x < y
১১৭৫০
A box contains 21 balls numbered 1 to 21. A ball is drawn and without replacement. What is the probability that both balls are even numbered?
উত্তর
3/14