২৬৬০২
125 gallons of a mixture contains 20% water. What amount of additional water should be added such that the water content is raised to 25%?
উত্তর
8 13 gallons
২৬৬০৩
In a student dormitory there was enough food to feed 300 students for 15 days. Because of admission of some new students , the food only lasted for 10 days. How many new students were admitted to the dormitory?
উত্তর
150
২৬৬০৬
Is (m×p) greater than m? (i) m>p>0 (ii) p is less than
উত্তর
Statement (1) ALONE is sufficient , but statement 92) alone is not sufficient .
২৬৬০৭
Rahim borrowed Tk. 800 at 6% per annum and karim borrowed tk. 600 at 10% per annum.After how much time, will they both have equal debts?
উত্তর
50/3 yr
২৬৬০৯
what is the value of x + 15? (i) x3=27 (ii) x5=243
উত্তর
EACH statement ALONE is sufficient .
২৬৬১০
If a square region has area n, what is the length of the diagonal of the square in terms of n?
উত্তর
2n
2n