১৩৩৭২
The least number by which 294 must be multiplied to make it a perfect square is :
উত্তর
6
১৩৩৭৪
The product of two numbers is 2028, and their H.C.F is 13. The number of such pairs is:1
উত্তর
2
১৩৩৭৬
A positive number, when decreased by 4, is equal to 21 times the reciprocal of the number. The number is:
উত্তর
7
১৩৩৭৯
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
উত্তর
19
১৩৩৮০
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?
উত্তর
8