National Coal Miners' Day is celebrated on May 4 every year to highlight the contributions of coal miners in meeting the country's energy demands. Theme 2022: The dependence on coal for energy needs is rising across the planet.
If sin 28° = 15/17 , then tan 62° = ?
If x = 555, y = 554, z = 556, then the value of x2 + y2 + z2 - xy-yz-zx?
Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.
If x2 – 8√2x + 1 = 0, then what is the value of x3 + 1/x3.
Find the value of ‘x’ in the given expression
(49/16)x× (64/343)x-1= 4/7
If (x²+y²+z²)/(xy+yz+zx) = 1
Find (x+y)/z + (y+z)/x + (z+x)/y
If x2 – 10x + 20 = 0, then find the value of (x – 3)2 + 1/(x – 3)2
If (10 a³ + 4b³): (11a³ — 15b³) = 7:5, then (3a + 5b): (9a - 2b) = ?
Atul has Rs.500 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 20% p.a. for 4 years. Find the sum of simple interests receiv...