২৭২১
Shanta, Regiana , and Bikash ran a 20 mile race. shanta and Ragina's combined times exceeded Bikash's time by exactly 2 hours. If nobody ran faster than 8 miles per hour, who could have won the race? I. shanta II. Regina III. Bikash A
উত্তর
I or II only
২৭২২
The ratio of boys to girls in class A is 3 to 4. The ratio of boys to girls in class B is 4 to 5. If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
উত্তর
11
২৭২৩
Each digit in the two -digit number G is halved to form a new two-digit number H. which of the following could be the sum of G and H?
উত্তর
137
২৭২৪
A set of 15 different integers have a range of 25 and a median of 25. what is greatest possible integer that could be in this set?
উত্তর
40
২৭২৫
The waiter at an expensive restaurant has noticed that 60% of the couples order dessert and coffee. However, 20% of the couples who order dessert don't order coffee. what is the probabillity that the next couple the water seats will not order dessert
উত্তর
25%
২৭২৭
when a cylindrical tank is filled with water at a rate of 22 cubic meters per hour, the level of water in the tank rises at a rate of 0.7 meters per hour which of the following best approximates the radius of the tank in meters?
উত্তর
5