An article when sold at a gain of 5% yields Tk. 15 more than when sold at a loss of 5%. Its cost price would be:
The sum of the first five prime number is:
What least number must be added to 1056, so that the sum is completely divisible by 23?
The difference between the local value and the face value of 7 in the numberal 32675149 is-
The value of 1001 ÷ 11 of 13 is:
7
91
143
169
What decimal of an hour is a second?