HSPT Math Exam Questions with Verified Detailed Answers

HSPT Math Exam Questions with
Verified Detailed Answers

What is the next number in this sequence? 4,6,8,10 - ANSWER ✔✔Principle:

Arithmetic Progression



N+C where C is a constant



So 4 + C = 6



C=2



10+2= 12, Answer is 12.

What is the next number in this sequence?

2, -6, 18, -48? - ANSWER ✔✔Principle: Geometric Progression

N*C where C is a constant



So 2*C=-6


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, C=-3



-48 * -3 = 144, Answer is 144

What is the next number in this sequence? *

4, 11, 32, 95? - ANSWER ✔✔Principle: Combination of Arithmetic and Geometric

Progression



At first this looks geometric but the ratio of the next number to the first changes



So you look at the ratio of differences:



7 ((11-4)

21 (32 - 11)

63 (95-11)



And you see the ratio of the difference is 3 so one factor is 3 or 3N +/- C applying

it to the first one 4 *3 is 12, subtract 1 to get 11




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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED