The task is to generate the correct answer for a given math problem.

[Q]: Problem: i had rs . 10000 with me . out of this , money i lent some money to a for 2 years at 15 % simple interest . i lent the remaining money to b for an equal number of years at 18 % simple interest . after 2 years , i found that a had given me rs . 360 more as interest as compared to ( b ) the amount of money which i had lent to b must have been
[A]: 4000


[Q]: Problem: the cross - section of a cannel is a trapezium in shape . if the cannel is 8 m wide at the top and 6 m wide at the bottom and the area of cross - section is 700 sq m , the depth of cannel is ?
[A]: 100


[Q]: Problem: how many prime numbers are between 51 / 13 and 89 / 9 ?
[A]:
2