২৩৬৬১
A train passes a platform in 40 sec and a woman standing on the train is 108 km /hr. what is the length of the platform in 25 seconds. The speed of the train is:
উত্তর
26
২৩৬৬২
x2-2=0 হলে x হলো __ (i)মূলদ; (ii) অমূলদ; (iii) বাস্তব নিচের কোনটি সত্য?
উত্তর
(ii),(iii)
২৩৬৬৬
Sum of 4 consecutive even numbers is greater than three consecutive odd numbers by 81. If the sum of the least odd and even numbers is 59 then find the sum of largest of odd and even numbers is 59 then find the sum of largest odd and even numbers.
উত্তর
69
২৩৬৬৯
If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days , how much will A get if both work together and are paid Tk. 180 in all?
উত্তর
Tk. 120
২৩৬৭০
In a box there are 10 apples and 2/5th of the apples are rotten. If three apples are taken out from the box, what will be the probability that at least one apples is rotten.
উত্তর
5/6