Assertion and reason

Exercise and reference answers

Questions

1. Reason

   Constant differences are the commoner pattern and are quicker to spot.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   Checking differences before ratios saves time on a series item.

2. Reason

   It is defined as an arrangement in definite order according to a rule.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   A sequence must follow some rule.

3. Reason

   A sequence arranges numbers in a definite order.

   Verdict

   The assertion is false and the reason is true.

   Assertion

   A series is just another name for a sequence.

Explanation