Free ISAT Quantitative Reasoning Questions and Answers

Question 1

How many centimeters are in 0.129 m?

Accepted Answer

12.9 cm

Answer

35.4 cm

Answer

35.0 cm

Answer

22.5 cm

Question 2

The English unit of volume closest in size to a liter is _______.

Accepted Answer

quart

Answer

liter

Answer

olivine

Answer

gallon

Question 3

The quantity 8.7 × 105 g is expressed in standard decimal notation:

Accepted Answer

870,000 g

Answer

869,900 g

Answer

871,000 g

Answer

859,800 g

Question 4

A computer chip was weighed and found to have a mass of 23.3040 g. How many significant figures does this number have?

Accepted Answer

6

Answer

3

Answer

8

Answer

4

Question 5

Which of the following is not an SI unit of the property it measures?

Accepted Answer

volume-liter

Answer

length-meter

Answer

mass-kilogram

Answer

time-second

Question 6

A particular sample of air is 2.5% water vapor. Express the concentration of water vapor in parts per million (ppm):

Accepted Answer

25,000 ppm

Answer

24,990 ppm

Answer

24,995 ppm

Answer

23,990 ppm

Question 7

When I buy my favorite brand of coffee from the supermarket I normally have a choice of three jar sizes, small - 100 g; medium - 200 g; large - 400 g.

At present, all three jars contain 25% extra for the normal price and, in addition, customers who buy a large jar get a small jar free. For customers who buy a large jar of coffee, what is the total extra percentage of coffee for the normal price of the large jar?

Accepted Answer

56 1/4%

Answer

33 1/3%

Answer

36%

Answer

46 2/3%

Question 8

Which of the following sequences do not adhere to the same underlying mathematics?

Accepted Answer

17, 29, 41, 53, 65

Answer

5,13, 17, 29, 41

Answer

17, 29, 37, 41, 53

Answer

29, 41, 53, 81, 97

Question 9

A 38-foot tree casts a 20-foot shadow. A boy standing nearby casts a shadow that is 2.5 ft long. How tall is the boy?

Accepted Answer

4.75 ft

Answer

7.5 ft

Answer

4 ft

Answer

5.5 ft

Question 10

Classify the given triangle by angles and sides.

Accepted Answer

Obtuse, scalene

Answer

Obtuse, isosceles

Answer

Acute, isosceles

Answer

Right, isosceles