Skip to content
SANEDA
All samples

SAAT (English)

Mathematics: sample 6

These questions are ETEC/Qiyas's own officially published trial-exam questions, shown here with attribution. They are not sold and are not part of Smart Advanced Network for Education, Development & Achievement's original question bank.
Directions

Read the following questions. Choose the right answer.

There is only ONE correct answer to each question.

Σ (n=1 to ∞) of 8(−1/3)^(n−1) =

  1. −2
  2. 6
  3. 12
  4. 16
Show answer

Correct answer: B. 6

Why

This is a geometric series with first term a=8 and ratio r=−1/3; sum = a/(1−r) = 8/(1−(−1/3)) = 8/(4/3) = 6.

Source: The Standardized Academic Achievement Test (SAAT) for the Science Track Trial Test (ETEC official) Open the official document

Want to try questions under time? Take the free preview.