CREST Mental Maths Olympiad Class 11 Previous Year Papers

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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	What will come in place of question mark (?) in the following number series? 2, 6, 14, 30, ?, 126, 254

Q.2	ABCDEF is regular hexagon. What is the value of the exterior angle X?

Q.3	Fill in the blank with the appropriate choice: 5, 10, 17, 26, ___

Q.4	A man swim downstream 30 km and upstream 18 km, taking a time of 3 hours each. What is the velocity of current?

Q.5	A boat goes 8 km upstream in 48 minutes. The speed of the stream is 4 km/h. What is the speed of a boat in still water?

Q.6	Find ∠QOP.

Q.7	The volume of the right circular cylinder is 792 cm³, height of the cylinder is 7 cm. Find the radius.

Q.8

The following table gives the percentage of marks obtained by seven students in six different subjects in the examination. Study the table and answer the question based on it. The number in the brackets represents maximum marks in that subject.
What is the overall percentage of Thomas?

Subject (Max. Marks) Name	Maths (150)	Chemistry (130)	Physics (120)	Geography (100)	History (60)	Com. Science (40)
Annie	90	50	90	60	70	80
Andrew	100	80	80	40	80	70
Shane	90	60	70	70	90	70
Riley	80	65	80	80	60	60
Milo	80	65	85	95	50	90
Tyler	70	75	65	85	40	60
Thomas	65	65	50	77	80	80

Q.9	What will come in place of question mark (?) in the following number series? 10, 14, 25, 55, 140, ?

Q.10	How should a profit of $450 be divided between two partners, one of whom has contributed $1200 for 5 months and the other $750 for 4 months?

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Other Classes Previous Year Papers

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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