A number of the form _ababac_ is divided by 37. The remainder can be -
*OPTIONS*
1)7
2)13
3)19
4)23
Can anyone telme the correct ans and approach for this Q??

a milkman a 10 ltrs of pure milk, how many ltrs of water have to be added to the milk so that the milkman gets the profit of 150% by selling at cost price.
*Please explain using allegations.*

U have to first determine what's the propotion of milk in the mixture to get a profit of 150%....Sp=2.5CP which means CP=0.4 SP....This means you have to sell 40% milk instead of 100% milk...u have 100% on one end and 0% at other...use allegation...u get 2:3...2x=10 x=5;3x=15..

a milkman a 10 ltrs of pure milk, how many ltrs of water have to be added to the milk so that the milkman gets the profit of 150% by selling at cost price.
*Please explain using allegations.*

abcd is rectangle. o is point in rectagle such that ob=5 oc =6 . with od as a diameter a circle is drawn. Find the area of the circle.P.S: o,b, d are not collinear.

A certain sum of money was lent under the folowing repayment scheme based on simple interest -
8% per annum for the initial 2 years
9.5% per annum for the next 4 years
11% per annum for the next 2 years
12% per annum after the first 8 years
Find the amount which a sum of Rs.9000 ...