A number is increased by 10% and then decrease by 10%. Find the net decrease percent.
Find the compound interest on Rs. 31250 at 8% p.a for 3 years compounded annually
Product of two positive number is 34560. The LCM is sixty times of its GCD. Then the difference of LCM and GCD is
If radii of two cylinders are in the ratio 5 : 3 and their heights are in the ratio 3 : 5 then ratio of their volumes is
A boy cut a sector containing an angle of 1400 from a circle of radius 15 cm and he folded the sector into a cone. What is the curved surface area of the cone (∏=22/7)
A fraction is such that if the numerator is multiplied by 2 and the demoniator is reduced by 4 we get 10/3, but if the numerator is increased by 6 and the denominator is doubled we get 11/14, what is the fraction