You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[Q]: Question: Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?

 Option A: Rs. 8600

 Option B: Rs. 8620

 Option C: Rs. 8820

 Option D: Rs. 8000

 Option E: None of these
[A]: Option C


[Q]: Question: There r 4 prime numbers in ascending order. The multiplication of first 3 is 385 and that of last 3is 1001. what is the last number is

 Option A: 12

 Option B: 15

 Option C: 16

 Option D: 13

 Option E: 18
[A]: Option D


[Q]: Question: The volumes of two cones are in the ratio 1 : 40 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?

 Option A: 8:5

 Option B: 8:9

 Option C: 2:2

 Option D: 8:2

 Option E: 2:8
[A]:
Option A