If P/Q = R/S = T/U = 3/4 is (4P + 5R + 7T) : (3Q + 4S + 7U)?

If 25% of X is equal to 40% of Y, then what is the ratio of X and Y?

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

Find the value of 1006×994?

What is the value of xy if x - y = 3 and x2+y2=15?

A number 35786X625 is completely divisible by 9, find the smallest whole digit number in the place of ‘X’.

Arrange them in ascending order 64, 33 and 43