Quantitative Aptitude Quiz for SSC and Railway Exam: Set 101

Quantitative Aptitude Quiz

Quantitative Aptitude Quiz for Railway and SSC covers an important part of the exam and hence it must be prepared thoroughly. SSC, Railways & many other government job exams are scheduled to be held in the upcoming months. It needs complete understanding of the basic concepts along with thorough understanding. This page will provide you all the quizzes of the Arithmetic section of various exams such as RRB NTPC, SSC CHSL, SSC MTS etc. Practice the quantitative aptitude quizzes given below and surpass the high cut off marks in the exam.

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Quantitative Aptitude Quiz: Set 101

1.The difference between two numbers is 9 and the difference between their squares is 207. The numbers are

a. 17, 8
b. 16, 7
c. 15, 6
d. 23, 14

2.The average of 20 numbers is calculated as 35. It is discovered later on that while calculating the average, one number, namely 85, was read as 45. The correct average is

a. 36
b. 36.5
c. 37
d. 37.5

3.If x2 – xy + y2 =2 and x4 + x2y2 + y4 = 6, then the value of x2 + xy + y2 is:

a. 1
b. 12
c. 3
d. 36

4.If a2 + 13b2 + c2 – 4ab – 6bc = 0, then a: b: c is

a. 1:2:3
b. 2:3:1
c. 2:1:3
d. 1:3:2

5.The circumcenter of a triangle ABC is O. If ∠BAC = 850, ∠BCA = 750, then ∠OAC is of

a. 70°
b. 72°
c. 75°
d. 74°

6.Radius of the incircle of an equilateral ΔABC of sides 2√3 units is x cm. The value of x is

a. ⅓
b. ½
c. 1
d. √3

7. If tan3θ. tan7θ = 1, then the value of tan(θ + 36°) is

a. 1/√3
b. 0
c. 1
d. √3

8.If the angle of elevation of a cloud from a point 200 m above a lake is 30 and the angle of depression of its reflection in the lake is 60. Then the height of the cloud above the lake is

a. 100 m
b. 200 m
c. 300 m
d. 400 m

9.The difference between the simple interest and compound interest (compounded annually) on Rs. 40,000 for 3 years at 8% per annum is

a. Rs.684.32
b. Rs.788.48
c. Rs.784.58
d. Rs.4000

10. Let C1 and C2 be the inscribed and circumscribed circles of a triangle with sides 3cm, 4cm and 5cm then find the ratio between the areas of C1 and C2 is

a) 9 /16

b) 9 / 25

c) 4 / 25

d) 16 / 25

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