Out of the questions solved by a student the number of incorrect solutions was twice the correct answers. He solved 48 questions. How many answers were correctly solved?

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Out of the questions solved by a student the number of incorrect solutions was twice the correct answers. He solved 48 questions. How many answers were correctly solved?

A12

B16

C24

D18

Sachin Khr ? Nov 18 '2016 at 22:38

Answer is: 16
Let he has solved correctly X no. of sums. Therefore incorrect no. of sums = 2X .
Now,
X +2X = 48
3X = 48
X = 16 sums he has done correctly.

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Answer is: 16 Let he has solved correctly X no. of sums. Therefore incorrect no. of sums = 2X . Now, X +2X = 48 3X = 48 X = 16 sums he has done correctly. Sachin Khr ? answered Nov 18 '2016 at 22:38 All Comments

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