As of 2022, which country was the world's largest importer of goods and services?
In how many years, Tk. 150 will produce the same interest @ 8% as Tk. 800 produce in 3 years @ 412% ?
The product of two numbers is 2028, and their H.C.F is 13. The number of such pairs is:
What is the square root of 0.16?
A positive number, when decreased by 4, is equal to 21 times the reciprocal of the number. The number is:
At present, the ratio between the ages Karim and Rahim is 4 : 3. After 6 years, Karim's age will be 26 years. What is the age of Rahim at present?