LAVKUSH SONKAR

Answer to: The compound interest on a certain sum for 2 years is Rs. 60.60 and simple interest is Rs. 60. Find the rate of interest.

Let the Principal be = P

$({\rm{S}}.{\rm{I}} = \frac{{{\rm{P}} \times {\rm{R}} \times {\r...

Answer to: The bus fare and train fare of a place from Kolkata were Rs.20 and Rs.30 respectively. Train fare has been increased by 20% and the bus fare has been increased by 10%. The ratio of new train fare to new bus fare is

option 2

Answer to: An alloy has Iron, Silver and Bronze in the ratio 7 : 2 : 3. Another alloy has Silver and Bronze in ratio 1 : 2. In what ratio should the two mixtures be mixed so that the ratio of Iron and Silver in resultant mixture is 5 : 3?

Suppose M kg of first alloy and N kg of second alloy is taken.

Answered on 23 Mar, 2025

Answer to: In ........, each population element has a known and equal chance of selection.

option 4 is the right answer