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CREST Mental Maths Olympiad Class 12 Sample Paper

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Syllabus:

Number System
Algebra
Comparing Quantities
Geometry
Mensuration
Playing with Numbers
Data Handling

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

For what value of k will the equation 5y² – 20y + (k – 1) = 0 have real and equal roots?

Q.2

A man can row at 12 km/hr and downstream at 12 km/hr. Find man's rate in still water.

Q.3

Factorise:
x4 + x2y2 + y4

Q.4

$600 are invested at 5% simple interest p.a. In how much time will it double itself ?

Q.5

In the figure, ∠AOB = 140o. Find ∠ADB.

Q.6

Simplify:

x2 − 13x − 42 = (x − 6) (x − 7)

Q.7

A began a business with $4500 and was joined afterwards by B with $3000. When did B join if the profits at the end of the year were divided in the ratio 2 : 1?

Q.8

Find the mean of the data given below:
10, 5, 13, 4, 9, 12, 11 and 24

Q.9

A train 300 m long crosses a pole in 15 s. Find the time taken by the train to cross a platform of length 180 m (in seconds).

Q.10

What will come in place of question mark (?) in the number series?
10, 18, 28, 40, 54, 70, ?

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

Q.1cQ.2dQ.3aQ.4aQ.5aQ.6aQ.7dQ.8cQ.9dQ.10d

Students may utilise the above Mental Maths sample paper for class 12 to practise and prepare for the CREST Mental Maths Olympiad (CMMO).

The sample paper is available for free download on this page. Additionally, the questions' responses are also given.

The utilisation of sample papers has always been a part of exam preparation. They are used to assess a student's knowledge of a specific subject. By practising with sample papers, students can hone their mental maths abilities.

Few benefits of solving Mental maths sample papers for class 12 students -

  1. The main advantage is that it helps students get used to the exam structure & the kinds of questions that might be asked. After practising sample questions for Mental Maths for class 12, students will feel more assured and less anxious.
  2. It will help students improve speed and accuracy.
  3. By solving sample papers for Mental Maths for class 12, students can identify their weak areas and focus on improving them, increasing their chances of success in the actual exam.
  4. Regular solving of Mental Maths sample questions can boost student’s confidence in their Mental Maths abilities, which can lead to better performance in the actual exam.

Answers to Sample Questions from CREST Olympiads:

Q.1 : c | Q.2 : d | Q.3 : a | Q.4 : a | Q.5 : a | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : d | Q.10 : d

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