a,b,c are said to be in Harmonic Progression if their reciprocals 1/a, 1/b, 1/c are in Arithmetic progression. What would be the value of x for which 3, x, 6 are in Harmonic Progression.
Sum to n terms of an Arithmetic progression is 2n2+n then eighth term is
What should come in place of the question mark in the following series
24, 536, 487, 703, 678, ?
Simplify : (1350÷15-5) ÷ (47.5-15×2.5)
Sasi purchased a house for INR 27,75,000 and spent INR 2,25,000 on its interior decoration. He sold the house to make a profit of 40%. What is the selling price of the house
Simplify : x+3/x3-1+3x+9/x2+x+1