১৩৭২১
Find the largest number of 5-digits which, when divided by 16, 24, 30 or 36, leaves the same remainder 10 each case.
উত্তর
99370
১৩৭২২
One third of Aman's marks in Mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks did he get in English?
উত্তর
60
১৩৭২৪
If the average of 'm' numbers is n 2 and that of 'n' numbers is m 2 , then the average of (m + n) numbers is -
উত্তর
mn
১৩৭২৫
P and Q started a business in the ratio of 2 : 3. After 2 years P left the business but Q continued. After 3 years he had a profit of Tk 26000. What was the profit of P?
উত্তর
Tk. 8000
১৩৭২৬
A square park is surrounded by a path of uniform width 2 meters all around it. The area of the path is 288 sq. meters. Find the perimeter of the park.
উত্তর
136 m
১৩৭২৭
The area of a rectangular field is 52000 sq. meters. This rectangular area has been drawn on a map to the scale 1 cm to 100 m. The length is shown as 3.25 cm on the map. The breadth of the rectangular field in the map is-
উত্তর
1.6 cm
১৩৭২৮
A circle and a rectangle have the same perimeter. The sides of the rectangle are 18 cm and 26 cm. what is the area of the circle?
উত্তর
616 sq. cm
১৩৭২৯
If 3 sides of a triangle are 6 cm, 8 cm, and 10 cm, then the altitude of the triangle, using the largest side as its base, will be -
উত্তর
4.8 cm
১৩৭৩০
To fill a tank, 25 buckets of water are required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present capacity?
উত্তর
62.5