Question
Four houses are available in a locality. Four persons
apply for the houses. Each applies for one house without consulting others. The probability that all the four apply for the same house is :Solution
One person can select one house out of 4 = 4C1 ways = 4 Hence, three persons can select one house out of 4 in 4 x 4 x 4 = 64 Therefore, probability that all thre apply for the same house is 1/16
Simplify: 3/4 + 5/6
2.666 …+ 2.77… in fraction form is:
If numerator of a fraction is decreased by 30% and the denominator of the same fraction is increased by 40%, then what fraction of the old is the new fr...
Evaluate: (3/4) of 2.4 + (1.5 ÷ 0.5) − 0.8
A man distributed some candies to his three sons A, B and C. A, being the eldest got two times the number of candies that C got while A and B together h...
There is a fraction whose denominator is 5 more than its numerator. If the numerator is increased by 10 and denominator is decreased by 4, the fraction ...
The top part (numerator) of a fraction is 4 more than three times the bottom part (denominator). If we reduce the numerator by 15 and increase the denom...
Which of the following fractions lies between 3/7 and 8/9?
- Find the fraction which is greater than (5/7) but less than (9/7).
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