১২৫০১
A hat contains 12 cards marked with a star and 18 unmarked cards. What is the probability that one card selected at random will be marked with a star?
উত্তর
2/5
১২৫০২
The original funding to build a housing development was $1.75 billion. The funding was increased to $2.5 billion. By what percentage was the original funding increased?
উত্তর
43%
১২৫০৩
A rectangular room that is 8 meters by 5 meters is to be carpeted using carpet costing $12.50 per square meter. How much will the carpet cost?
উত্তর
$500
১২৫০৪
If x is an integer and y = 7x + 5, which of the following CANNOT be a divisor of y?
উত্তর
14
১২৫০৬
What is the average (arithmetic mean) of the values 39, 40, 39, 45, 42, 35, 47?
উত্তর
41
১২৫০৭
A wall 8m long, 6m high and 22.5cm thick is made up of bricks, each measuring 25cm × 11.25cm × 6cm. The number of bricks required was-
উত্তর
6400
১২৫১০
One selling 17 balls at Tk. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
উত্তর
Tk. 60