Practice LAT Mathematics questions with answers and explanations.
Choose an option to check your answer.
Percent means per hundred.
Thus, 3.5% = 3.5 ÷ 100 = 0.035.
Choose an option to check your answer.
The required percentage is 45/250 × 100.
This equals 18%.
Choose an option to check your answer.
The score fraction is 42/50.
Multiplying by 100 gives 84%.
Choose an option to check your answer.
Starting from 100, a 10% increase gives 110.
A 10% decrease from 110 gives 99, which is 1% lower.
Choose an option to check your answer.
The units digits of powers of 7 cycle as 7, 9, 3, 1.
The fourth power therefore ends in 1.
Choose an option to check your answer.
The greatest common divisor of 18 and 24 is 6.
Dividing both terms by 6 gives 3/4.
Choose an option to check your answer.
Convert 2/3 to sixths: 2/3 = 4/6.
Then 4/6 + 1/6 = 5/6.
Choose an option to check your answer.
Convert 1/4 to 2/8.
Then 7/8 - 2/8 = 5/8.
Choose an option to check your answer.
Multiply numerators and denominators, then simplify.
(3 × 10)/(5 × 9) = 30/45 = 2/3.
Choose an option to check your answer.
Dividing by a fraction means multiplying by its reciprocal.
Thus, 4/7 × 3/2 = 12/14 = 6/7.
Choose an option to check your answer.
The decimal 0.375 equals 375/1000.
Dividing numerator and denominator by 125 gives 3/8.
Choose an option to check your answer.
Divide 7 by 20 or convert the denominator to 100.
Since 7/20 = 35/100, the decimal is 0.35.
