Quantitative Aptitude - Arithmetic Ability Questions

In ΔABC, AD is the median and AD = (1/2)BC. If ∠ACD = 40°, then what is the value (in degrees) of ∠DAB?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

If 5 ­ 3x < 4 ­ x and 5(2 ­ x) > 2 ­ 2x, then x can take which of the following values?