Answers (B), (C), and (D) are either lower than or identical to the old average. There are two ways to solve this problem: move on to the next place to the right of the decimal point and compare the values, until you find a difference. Notice! In case all or some of the answer-options have the same tenths/hundredths/thousandths values etc. For example:Īnswer-option (A) - 0.0015 can also be written as 0.00150, making it easier to compare with answer-option (E): Notice! Moving further to the right, the absence of digits is equivalent to writing 0. Therefore, answer-option (A) presents the smallest value. However, while answer-option (A) ends there, answer-option (E) also have a hundred thousandths value of 1, making it larger than (A):Īnswer-option (A) – 0.0015 – 0 hundred thousandthsĪnswer-option (E) – 0.00151 – 1 hundred thousandths Both have the same ten thousandths value of 5. You are left with answer-options (A) and (E). Therefore, move to the thousandths place and compare them:Īnswer-option (A) – 0.0015 – 1 thousandthsĪnswer-option (D) – 0.0051 – 5 thousandthsĪnswer-option (E) – 0.00151 – 1 thousandthsĪs can be seen, you can dismiss answer-option (D) since it has the 5 thousandths, while (A) and (E) has smaller thousandths value of 1. You are left with answer-options (A), (D) and (E). You are left with answer-options (A), (B), (D) and (E).Ĭomparing their hundredths values, you can immediately dismiss answer-option (B) since it has 1 hundredth while all other answer-options have 0 hundredths. You can immediately dismiss answer-option (C) since it has 1 tenth while all other answer-options have 0 tenths.

Therefore, move to the right of the decimal point and compare their tenth values. Hundreds Hundredths -> Thousandths…Īs can be seen, all answer-options have 0 ones.

Moving to the left of the decimal point, every number gets 10 times bigger. To the left of the decimal point is a whole number (e.g. The Decimal System enables writing numbers as large or as small as one wishes, using the decimal point.ĭigits can be placed to the left or right of a decimal point, presenting values greater than one or less than one.

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