১৫৪৫২
a, b, c, d, e, f are five consecutive odd numbers, their average is-
উত্তর
None of these
১৫৪৫৩
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full. 5 classes were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
উত্তর
240
১৫৪৫৪
In a shop, the cost of 5 shirts, 5 pairs of trousers and 3 hats is Tk. 710. The cost of 11 shirts, 11 pairs of trousers and 8 hats is Tk. 1590. What is the total cost of 1 shirt, 1 pair of trousers and 1 hat?
উত্তর
Tk. 150
১৫৪৫৫
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance traveled by him is-
উত্তর
50 km
১৫৪৫৬
The total age of A, B and C is 90 years. Ten years ago the ratio of their ages was 1 : 2 : 3. What is the present age of B?
উত্তর
30 years
১৫৪৫৭
Kamal went to a shop and bought things worth Tk 25, out of which 30 paisa went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
উত্তর
Tk 19.70
১৫৪৫৮
The salaries of A, B, and C, are in the ratio of 1 : 2 : 3. The salaries of B and C together is Tk. 6,000. By what percentage is the salary of C more than that of A?
উত্তর
200%
১৫৪৫৯
If a carton containing a dozen mirrors is dropped. which of the following cannot be the ratio of broken mirrors to unbroken mirrors?
উত্তর
3 : 2
১৫৪৬০
On dividing a number by 5. we get 3 as remainder. What will be the remainder when the square of this number is divided by 5?
উত্তর
4