Subject
Bank Exam
Topic
সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান (সিনিয়র অফিসার) - ১০.১১.২০২৩
Three coins are tossed. Find the probability of exactly 2 heads -
Three coins are tossed. Find the probability of exactly 2 heads -
ক)
(3/8)খ)
(1/2)গ)
(1/8)ঘ)
NoneExplanation
n(S) = 2 3 = 8 Let E = Event of getting exactly two heads, = {(H, H, T), (H, T, H), (T, H, H)} = n(E) = 3 Required probability = 3/8Related questions
ব্যাকরণের আলোচ্য বিষয় -A, B, C, D and E are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?'চির' ও 'চীর' শব্দজোড়ের অর্থ যথাক্রমে -Bowl S contains only marbles. If (1/4) of the marbles were removed, the bowl would be filled to (1/2) of its capacity. If 100 marbles were added, the bowl would be full. How many marbles are in bowl S?কোন দুটি শব্দ কেবল জন্তুর বহুবচনে ব্যবহৃত হয়?Square ABCD is inscribed in a circle whose radius is 4cm. Calculate the area of the square.নিচের কোনটি দেশী শব্দ?What is the difference between the amount of interest earned on a principal of Tk. 100 for 2 years at 10% simple interest rate and 10% compounding interest rate?