Question
If a coin is tossed repeatedly and the head appears for
the first 94 times then what is the probability that the tail appears on the 95th toss?Solution
In every toss, probability of having either tail or head is always `1/2` . No matter how many times we have tossed, each and every toss is different. So, for 95th toss the probability of having tail is `1/2` .
A & B invested Rs. 2X and Rs. (X + 500) for same period of time in a business. If A gets Rs. 4000 as profit share out of total profit of Rs. 7000, then ...
- ‘Rina’ and ‘Meena’ invested Rs. 1,800 and Rs. 3,000 respectively in a startup. After 15 months, Rina increased her capital by 50% while Meena decre...
Sumit started a company with an initial investment. After 3 months, Tarun joined him with Rs. 1000 more than Sumit. If their profit shares after one yea...
Karan and Arjun invested money in a business in the ratio 7 : 3, respectively. After 8 months, Karan withdrew 25% of his investment, whereas Arjun incre...
‘Neha’ invested Rs. 3000 in a business. ‘Ravi’ joined ‘x’ months after ‘Neha’ with an investment of Rs. 2500. If at the end of the year,...
‘A’ started a business by investing Rs. 1600. Three months later, ‘B’ joined by investing Rs. ‘x’. If at the end of the year ‘B’ receive...
P started a business investing Rs.9000. After 3 months, Q joined her with the capital of Rs.12000. After another 6 months, R joined them with the capita...
P started a business with an investment of Rs.14000, after 6 months Q joined him with Rs.16000 and after another 6 months R joined them with Rs.20000. I...
A invested Rs. X in a business. After four months B Joined him with Rs. 2X and A double his investment. If at the end of the years total profit i...
‘A’ and ‘B’ started a business by investing Rs. 12,000 and Rs. 14000, respectively. 12 months later, ‘C’ joined the business by investing Rs...
Relevant for Exams:
