The LCM of 1.2 and 2.7 is:

What should come in place of the question mark '?' in the following number series?

64, 62, 65, 60, 67, ?

In a triangle, if orthocentre, circumcentre, incentre and centroid coincide, then the triangle must be

if (1+sinα) (1-sinβ) (1+sinγ)= (1-sinα) (1-sinβ) (1-sinγ)=?

A, B and C started a business. Twice the investment of A is equal to thrice the investment of B and also five times the investment of C. If the total profit after a year is 15.5 lakhs, then the share of B in the profit is (in lakhs):

Kamal saves x% of her monthly income. When her monthly expenditure is increased by 20% and the monthly income is increased by 26%, then her monthly savings increased by 60%. What is the value of x?

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

If 7A = 5B = 2C; find A : B : C.