Numerical Reasoning Questions and Answers


121)

Identify the missing number at the end of the series.
100, 96, 91, 85, ?

Answer: D

Explanation: The difference between the numbers in this series increases by 1 each time: -4, -5, - 6, etc. This will produce a difference of -7 between 85 and the next number in the series, which is therefore 78.
122)

Identify the missing number at the end of the series.
11, 16, 26, 41, ?

Answer: C 

Explanation: The difference between the numbers in this series increases by 5 each time – 5, 10, 15, etc. This will produce a difference of 25 between 41 and the next number in the series, which is therefore 66.
123)

Identify the missing number at the end of the series.
5, 12, 19, 26, ?

Answer: B

Explanation: The numbers in this series increase by 7 each time. Therefore the next number is 33.

 
124)

Anna bought $4,000 of company stock. She sold 75% of it when the value doubled, and the remainder at four times the purchase price. What was her total profit?

Answer: C 

Explanation: Anna sold 75% of her stock when it was worth $8000. So she took $6000 cash, leaving her with $2000 worth of stock, which she had purchased for $1000. When this stock increased in value to $4000 she sold it and added this to the first $6000 giving her $10,000 in cash. Subtracting the initial $4000 coat of the stock, Anna has made $6,000.

 
125)

A total of 1600 copies of a CD were sold. 30% were sold at 55% discount, 10% were sold at 30% discount and the remainder were sold at the full price of $7.95. What was the approximate total revenue in dollars?

Answer: D 

Explanation: Of the 1600 CDs sold:
60% or 960 were sold at $7.95 = $7632
10% or 160 were sold at $5.56 = $889
30% or 480 were sold at $3.57 = $1713
Therefore the total revenue was $10,234

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