একটি বিক্রিয়াকের 10% 1 ঘন্টায়, 20% 2 ঘন্টা এবং 30% 3 ঘন্টার মধ্যে পচে যায়। রিঅ্যাকের আদেশ...

If 20% of P = 30% of Q = 1/6 of R, then P: Q : R is equal to:

Successive discounts of 10%, 20% and 30% is equivalent to single discount of

Successive discounts of 10%, 20% and 30% ls equivalent to a single discount of

A is 20% less than B,B is 10% less than C.C is 30% more than D. If D is 400 then, what is the value of A?

In a class 30% students like tea, 20% like coffee and 10% like both tea and coffee. A student is selected at random then what is the probability that he does not like tea if it is known that he likes coffee?

For a certain readction, 10% of the reactant decomposes in one hour, 20% in two hours and 30% in three hours. The unit of rate constant will be