Exams

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

If 17/3 + [3(2x - 5/3)]/2 = 1/6, then what is the value of x?

If compound interest received on a certain amount in the 2nd year is Rs 1200, what will be the compound interest (in Rs) for the 4th year on the same amount at 10% rate of interest?

A taxi going at 90 km/hr takes 35 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 21 minutes?

If 40 is 0.05% of x, then what is the value of x?

If a vendor sells apples at Rs 170 per kg he suffers 15% loss. If he sells at Rs 230 per kg, then what is his profit percentage?

The average cost of 5 items in a shopping list is Rs 650. If one more item whose cost is Rs 1400 is added to the list what will be the new average (in Rs)?