১৬৭৪২
If xy < 0, which of the following must be true? i. x + y = 0 ii. 2y - 2x < 0, iii. x 2 + y 2 > 0
উত্তর
III only
১৬৭৪৫
Karim and Bablu can build a wooden table in 3 days. Bablu can do it alone in 5 days. How many days would it take Karim to do this job alone?
উত্তর
7.5
১৬৭৫০
If one cake serves 7 people, how many cakes are needed to serve a party of 98 people?
উত্তর
14