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	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.2	30 men can plant 60 trees in 5 hours. If 5 men leave the job, how many trees will be planted in 10 hours?

Q.3	Simplify: (6990 ÷ 15) × (468 ÷ 18) = ?

Q.4	Find the radius of the largest right circular cone that can be cut out of a cube whose edge is 9 cm.

Q.5	What will come in place of question mark (?) in the following number series? 2, 3, 5, 8, 12, ?

Q.6	What is the quadratic equations whose roots are 3 and 4?

Q.7	In the figure, ∠AOB = 140^o. Find ∠ADB.

Q.8	The marked price of a radio is $480. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, find his gain%.

Q.9	In the parallelogram shown below, find ∠ABC.

Q.10	Study the bar graph carefully to answer the following question: Find out the difference between the total rainfall in July 2018 and 2022 together and the total rainfall in august 2019 and 2020 together.

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Answers to Sample Questions from CREST Olympiads:

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

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 -

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.
It will help students improve speed and accuracy.
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.
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 : d | Q.2 : b | Q.3 : b | Q.4 : a | Q.5 : c | Q.6 : a | Q.7 : a | Q.8 : c | Q.9 : d | Q.10 : b

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