Lux is equal to

If two numbers are equal,then their LCM is equal to their HCF their LCM is less than their HCF their LCM is equal to two xx their HCF None of these

If the circumference and area of a circle are numerically equal, then the diameter is equal to :

If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then __________ % of A is equal to C.

Construct an isosceles triangle with each of its equal sides equal to 6 cm and the angle between them equal to 70^(@) .

If ax^(2) +bx +c=0 has equal roots. Then c is equal to :

Lux is the unit of