১১৫৫১
When the diameter of a circle is tripled, the area of the circle will be increased by-
উত্তর
9 times
১১৫৫৩
Samir is twice as old as Babul was two years ago. If the difference between their ages is 2 years, how old is Samir now?
উত্তর
6 years
১১৫৫৪
300 grams of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution?
উত্তর
60 grams
১১৫৫৫
A 240 m long train passed a pole in 24 seconds. How long will it take to pass a 650 m long platform?
উত্তর
89 sec
১১৫৫৬
A card is randomly drawn from a deck of 52 cards. what is the probability of getting an Ace or King or Queen?
উত্তর
3/13
১১৫৫৭
Find the least number of six digits which is exactly divisible by 15, 21 and 28.
উত্তর
100380
১১৫৫৮
The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first fifteen terms of that arithmetic progression?
উত্তর
150
১১৫৫৯
The average of ten numbers is 7. What will be the new average if each of the numbers is multiplied by 8?
উত্তর
56
১১৫৬০
A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag; If at least one black ball is to be included in the draw?
উত্তর
64