১১৬৯৩
If the radius of a circle is decreased by 20% then the area is decreased by:
উত্তর
36%
১১৬৯৪
How many different selections of 4 books can be made from 10 different books, if 2 particular books are never selected?
উত্তর
70
১১৬৯৬
If '+' means '÷', 'x' means '-' , '- ' means x' and '÷' means +' then find the value of 36 +18 - 17 × 16 ÷ 3
উত্তর
21
১১৬৯৭
If the product of two numbers is 560 and greatest common factor is 4. Then what is the least common multiple?
উত্তর
140
১১৬৯৮
The sum of squares of two numbers is 80 and the square of difference between the two numbers is 36. Find the product of two numbers.
উত্তর
22