Quantitative Reasoning – I MCQs

1. If the sum of the first
n
n odd integers is 225, what is the value of
n
n?

2. A car travels 60 km in the first hour, 50 km in the second hour, and 40 km in the third hour. What is the average speed of the car for the entire journey?
(A) 50 km/h
(B) 45 km/h
(C) 40 km/h
(D) 48.33 km/h

3. If
x
x is a positive integer and
x
2

4. The cost of 5 pens and 7 pencils is
3.50
,
a
n

5. What is the value of
3
x
+
5

6. A person invested
2
,
000
i

7. In a box, there are 10 red balls, 5 green balls, and 15 blue balls. If a ball is selected at random, what is the probability that the ball is either red or blue?
(A) 0.5
(B) 0.75
(C) 0.85
(D) 0.9

8. The average of five consecutive integers is 20. What is the largest of these integers?
(A) 21
(B) 22
(C) 23
(D) 24

9. If a rectangle has a length of 12 cm and a width of 5 cm, what is its area?
(A) 60 cm²
(B) 55 cm²
(C) 40 cm²
(D) 50 cm²

10. What is the sum of the arithmetic sequence 3, 8, 13, …, up to the 20th term?
(A) 500
(B) 510
(C) 505
(D) 515