Quantitative Aptitude - Arithmetic Ability Questions

If two marbles are picked at random, what is the probability that either both are red or both are green?

What is the simplified value of (cotA + tan B)/(cot B + tan A)?

A water tank is 2/5 th full. Inlet A can fill the tank in 12 minutes while an outlet pipe B can empty it in 6minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?

If 6x + 4(2-x) > 3x -2 > 5x/2 - x/4; then value of x is

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?

Two labourers A and B are paid a total of Rs 650 per day. If A is paid 160 percent of what is paid to B, how much (in Rs) is B paid?

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

Choose the word is least like the other words in the group