Question
If a coin is tossed 10 times then what is the
probability of getting three heads?Solution
Total sample spaces = 2¹⁰ Total favourable events N(P) = ¹⁰C₃ Probability (E) = (N(P))/(N(S)) = (¹⁰C₃ )/(2¹⁰) = (¹⁰C₃ )/(2⁵. 2⁵) = ((10 × 12 )/(3 × 2))/(32 × 32) = (10 × 12)/(32 × 32) = 15/128
How many symbols are there, which are immediately preceded and immediately succeeded by a number?
POST stands for ...........
How many 8’s are there in the above series which are immediately followed by a prime number?
Vipin put his timepiece on the table in such a way that at 3 am hour hand points to South. In which direction the minute hand will point at 12:20 pm?
Complete the alphabetical series choosing the most appropriate option given below.
U, O, ?, E, A
Which of the following can input graphical images and pictures for a computer?
Select the option that is related to the third term in the same way as the second term is related to first term.
SURPRISE: IRHVHFIK:: HESITATE: ?
What is the function of "LOOKUP"?
Four numbers have been given, out of which three are alike in some manner and one is different. Select the number that is different.
In the given arrangement, how many symbols are between 3rd letter from the right end and 11th element from the left end?
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