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.
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Question: Question: In how many ways can the letters of word DEVELOP be arranged such that all the vowels as well as all the Consonants always appear together?

 Option A: 9!

 Option B: 3!*4!*2!

 Option C: 5!*5!

 Option D: 5!*4!*2!

 Option E: 6!*4!

Answer: Option B


Question: Question: A and B’s salaries together amount to Rs. 2,000. A spends 95% of his salary and B spends 85% of his. If now their savings are the same, what is A’s salary?

 Option A: 0998

 Option B: 2899

 Option C: 1889

 Option D: 1500

 Option E: 2881

Answer: Option D


Question: Question: What number should replace the question mark?
105, 87, 70, 52, 35,?

 Option A: 49

 Option B: 37

 Option C: 70

 Option D: 17

 Option E: 83

Answer:
Option D