For a sample data, mean = 60 and median = 48. For this distribution, the mode is:

An item when sold for ₹ 1,690 earned 30% profit on the cost price. Then the cost price is 

Areas of two similar triangles are 36 cm² and 100 cm². If the length of a side of the larger triangle is 20 cm, then the length of the corresponding side of the similar triangle is:

if 2sinθ + 2sin²θ = 2, then the value of 2 cos⁴θ + 2cos²θ is:

The number of boys in a class is 16% more than the girls, what is the respective ratio of the number of boys to the number of girls in the class?

24% of 680 + 16 % of 525 – 22% of 450 =?

Find the square root of (272² - 128²).

If the LCM of two numbers is 288 and their ratio is 4 : 9, then HCF of the numbers is :