Identify the missing number at the end of the series.
316, 323, 332, 343, ?
Answer: A
Explanation: The difference between the numbers in this series increases by 2 each time – 7,9,11, etc. This will produce a difference of 13 between 353 and the next number in the series, which is therefore 356.
516, 497, 478, 459, ?
Answer: B
Explanation: The numbers in this series decrease by 19 each time. Therefore the next number is 440.
3, 6, 11, 18, ?
Answer: D
Explanation: The difference between the numbers in this series increases by 2 each time – 3,5,7, etc. This will produce a difference of 9 between 18 and the next number in the series, which is therefore 27.
3, 11, 19, 27, ?
Explanation: The numbers in this series increase by 8 each time. therefore the next number is 35.
A discount of 15% is offered on an item previously costing $3.80. What is the discounted price?
Answer : A
