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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 |
At a point 30 m away from the foot of a tower the angle of elevation of the top of the tower is 60o. Find the height of the tower. |
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Q.2 |
In a bag there are 5 white, 6 black and 3 green cards. One card is drawn at random. What is the probability of having a card which is not green? |
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Q.3 |
There are three consecutive positive integers such that the sum of the square of the first and the product of the other two is 29. What are the integers? |
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Q.4 |
Consider the given data of an examination with three subjects. How many candidates failed in all the subjects?
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Q.5 |
If the height of the frustum is 4 cm and the radii of two bases are 3 cm and 6 cm respectively, find the slant height of the frustum. |
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Q.6 |
What is the diameter of a circle with an area of 121π? |
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Q.7 |
Factorise: |
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Q.8 |
Which number is divisible by 14? |
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Q.9 |
The cost of fencing a circular field at the rate of $10 per meter is $440. What is the radius of the circular field? |
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Q.10 |
Michael purchased 40 kg of wheat at $12.50 per kg and 25 kg of wheat at $15.10 per kg. He mixed the two qualities of wheat for selling. At what rate should it be sold to gain 10%? |
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Answers to Previous Year Questions from CREST Olympiads:
Q.1 : b | Q.2 : c | Q.3 : b | Q.4 : b | Q.5 : d | Q.6 : b | Q.7 : a | Q.8 : c | Q.9 : a | Q.10 : d