Numerical Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Ratio - ANS-a comparison of 2 quantities

Rate - ANS-a ratio of quantities that change without changing the value of the ratio.

Proportion - ANS-a statement that 2 ratios are equal to one another.

Usual $ & sale $= % - ANS-B divided A=x ------> x-1= %

Missing sale or original $, but given % - ANS-use percentometer

unit ratio (how to make one) - ANS-any fraction can be made into a unit ratio by
dividing the numerator and denominator by the denominator.

a/b= a divided by b/ b divided by b= a divided by b/1

unit ratio - ANS-ratio with a denominator of 1

2 divisibility test - ANS-even #

3 divisibility test - ANS-digits add up to a # divisible by 3

5 divisibility test - ANS-o or 5 in ones place

4 divisibility test - ANS-look at last two places, if divisible by 4, then whole # is

6 divisibility test - ANS-divisible by 2 and 3 (even #), add sum of digits to see if
divisible by 6

8 divisibility test - ANS-take last 3 digits, if divisible by 8 whole # is

9 divisibility test - ANS-add digits, if sum is divisible by 9, then whole # is

Four different ratios using fraction formula, but not using equivalent fractions -
ANS-13/12
12/13
12/25
13/25

Is zero an even number - ANS-yes

the product of three odd numbers is always odd - ANS-true

terminating decimal when.... - ANS-factor other than 2 or 5 goes into denominator