১২১১১
After distributing the chocolates equally among 25 kids, 8 chocolates remain. Had the number of children been 28, 22 chocolates would have been left after equally distributing. Find the total number of chocolates?
উত্তর
358
১২১১৩
An amount of Tk. 10,000 becomes Tk. 20,736 in 2 years. If the rate of interest is compounded half yearly, what is the annual rate of interest?
উত্তর
40%
১২১১৪
The difference between two positive numbers is 3 and the sum of their squares is 369. Then the sum of the numbers is
উত্তর
27
১২১১৫
A hall, 20m long and 15m broad, is surrounded by a verandah of uniform width of 2.5m. The cost of flooring the verandah at Tk. 3.50 per square meter is
উত্তর
Tk. 700
১২১১৬
In a two digit number, the digit in the unit's place is two more than the three times of the digit in ten's place. If the sum of the two digits is 6, the number is
উত্তর
15
১২১১৭
In your bookshelf, you have five favorite books. If you decide to arrange these five books in every possible combination and moved just one book in every half a minute. How much time it will take you to arrange?
উত্তর
1 hour
১২১১৮
A number when divided by 3 leaves a remainder 1. When the quotient is divided by 2, it leaves a remainder 1. What will be the remainder when the number is divided by 6?
উত্তর
5
১২১১৯
A train starts from city Y at 2 pm and travels towards city X at 75 km/hr. Another train starts from city X at 1 pm and travels towards Y at 60 km/hr. If the distance between these two cities is 330km then at what time will they meet?
উত্তর
4:00 pm
১২১২০
Two trains P and Q are moving in opposite direction at a rate of 36km/hr and 45km/hr respectively. A passenger is sitting in train P, finds that his train passes train Q in 8 seconds. What is the length of train Q?
উত্তর
180m