১৮২৭১
What is the minimum number of plants one should have so that they can be arranged in 12, 15 or 18 rows and also be arranged in equal number of rows and columns?
উত্তর
900
১৮২৭২
A lift serves floors 1 through 16, moving one floor every 12 seconds. It waits 48 seconds at both endpoints. It can complete how many round trips from 9.00 AM to 3:20 AM?
উত্তর
50
১৮২৭৩
What should be the ratio of sugar in a mixture costing BDT 50 per kg and BDT 55 per kg, such that there will be 10% profit if the mixture is sold for BDT 60 per kg?
উত্তর
1:10
১৮২৭৪
In triangle ABC, the external bisectors of the angles B and C intersect at point O. If angle A is 90 degrees, then the measure of the angle BOC is...
উত্তর
45°
১৮২৭৬
A circle is inscribed in a right triangle whose legs measure 9 and 12. Find the radius of the circle.
উত্তর
3.5
১৮২৭৭
In a geometric progression, the 3rd term is 12 and the 6th term is 96. Find the sum of the first 8 terms.
উত্তর
765
১৮২৭৮
The present age of a father and his son are in ratio 7 : 2. Five years ago the ratio was 6 : 1. Find the sum of their present ages.
উত্তর
45 years