Aptitude Contest-125

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Todays Questions :

1)
In a triangle ABC AB=10 , AC = 12 & BC = 9.the angle bisector of angle A intersects BC at D . if we construct two square taking BDEF and CDGH then what will be the ration of their areas?


2)
If x is 90% of y how many % is y of x?


3)
The probability of living of Amit in 2050 is (1/7) while that of his wife is (1/6) . What will be the probability that their child will have at least one parent living in 2050?


4)
The denominator of a fraction is greater than its numerator by 2.If unity is subtracted from numerator and unity is added to the denominator then the ratio becomes ½ . Find the fraction?


5)
In a race of 120 mt. A can beat B by 24 mt and C by 20 mt and in a 100 mt race C can beat B by 1 sec . What is the time taken by A to complete the 120 mt race ?

[keerthi]

2)
If x is 90% of y how many % is y of x?

Ans)Y is 111 % of X

3)
The probability of living of Amit in 2050 is (1/7) while that of his wife is (1/6) . What will be the probability that their child will have at least one parent living in 2050?

Ans)1-P(A')P(W')
1-(6/7)(5/6)=2/7

[keerthi]

4)
The denominator of a fraction is greater than its numerator by 2.If unity is subtracted from numerator and unity is added to the denominator then the ratio becomes ½ . Find the fraction?

Ans)Let fraction be x/x+1
Given x-1/x+2=1/2
x=4
Fraction=4/5