Aiming for a top score in the CREST Mental Maths Olympiad Class 12 ? Practising previous year question papers is a powerful way to refine problem-solving techniques and build confidence before the exam.
What Makes Past Papers Helpful? Covers topics such as Number System, Algebra and Geometry etc. Enhances speed, accuracy, and logical reasoning-crucial for tackling high-level mental maths questions. Gives students exposure to real exam patterns and question styles. Download the Class 12 CREST Mental Maths Olympiad Previous Year Paper PDF and give your child the practice boost they need to succeed!
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Syllabus:
Number System
Sample Paper
Marking Scheme
Free Study Material
Previous Year Questions
Q.1
What will come in place of question mark (?) in the following number series?
a) 17
b) 19
c) 21
d) 23
Q.2
Simplify the expression:
a) 1125
b) 1248
c) 1459
d) 1585
Q.3
What is the quadratic equation whose roots are 3 and 4?
a) x² – 7x + 12 = 0
b) x² – 3x + 4 = 0
c) x² – 6x + 9 = 0
d) x² – 2x - 8 = 0
Q.4
Consider the given data of an examination with three subjects.
How many candidates failed in all the subjects?
a.
Candidates appeared
100
b.
Candidates passed in all the three subjects
460
c.
Candidates passed in two subjects only
280
d.
Candidates passed in one subject only
240
e.
Candidates failed in Physics only
80
f.
Candidates failed in Chemistry only
60
g.
Candidates failed in Maths only
140
a) 30
b) 20
c) 40
d) 10
Q.5
If L stands for x, M stands for /, P stands for + and Q stands for -, which one of the following equations is correct?
a) 12
b) 11
c) 10
d) 14
Q.6
What will come in place of question mark (?) in the following equation? (approx.) 4433.764 – 2211.993 – 1133.667 + 3377.442 = ?
a) 4466
b) 4520
c) 4687
d) 4895
Q.7
What will come in place of question mark (?) in the diagram?
a) 135
b) 154
c) 144
d) 125
Q.8
In the figure, ∆ABC and ∆PBC are two isosceles triangles. Find x.
a) 120o
b) 110o
c) 115o
d) 100o
Q.9
A coin is tossed 500 times with following frequencies :-
a) 44/100
b) 42/100
c) 47/100
d) 49/100
Q.10
Simplify:
x2 − 13x − 42 = (x − 6) (x − 7)
a) 3(2x − 3) (x + 8)
b) (2x − 3) (x + 4)
c) (2x − 3) (3x + 8)
d) 3(x − 3) (x + 8)
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