The water in a river flow at the rate of 4 km per hour

If x   = 107, then find the value of  x(x² - 12x + 48)  ?

If (10 a³ + 4b³): (11a³ — 15b³) = 7:5, then (3a + 5b): (9a - 2b) = ?

Rs. 25200 is invested in 3 parts in such a way that Simple Interest on 1^st Part at 4% per annum for 3 years, Simple Interest on 2^nd

If a + b + c + d = 4,  then the value of  

√4096 + √(?) + 13 – 29 = 148 

if 2^x +3^y =7 and 2^x+2 -3^y+2 =7, then find the value of x and y.

If x⁴ + x³ + x² + x + 1 = 0, then find the value of x¹⁵²⁵ + x⁷²⁰ + 14 + x³²⁰ =?