Bd math olympiad regional questions 2016
Primary Category
1. âĄ Ã 57 = 575757
āĻāĻžāϞāĻŋ āĻāϰ āĻĒā§āϰāĻŖ āĻāϰāĨ¤
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2. āĻā§āύ āĻāĻāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āϏāĻžāĻĨā§ ā§Ē āϝā§āĻ āĻāϰāϞ⧠āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻĻā§āĻŦāĻŋāĻā§āύ āĻšāϝāĻŧāĨ¤ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ?
A number is doubled if it 8 is added with it. What is that number?
3. 24 āĻā§ āĻŽā§āĻ āĻāϤāĻā§āϞ⧠āϧāύāĻžāϤā§āĻŽāĻ āĻĒā§āϰā§āĻŖāϏāĻāĻā§āϝāĻž āĻĻā§āĻŦāĻžāϰāĻž āĻāĻžāĻ āĻāϰāĻž āϝāĻžāϝāĻŧ, āϝāĻžāϤ⧠āĻāĻžāĻāĻļā§āώ āĻļā§āύā§āϝ āĻšāϝāĻŧ?
How many positive integers are there by which 24 is divisible?
4. āϤā§āĻŽāĻŋ āϤā§āĻŽāĻžāϰ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ 10 āĻāĻŋāĻŽāĻŋ āĻāϤā§āϤāϰ, āϤāĻžāϰāĻĒāϰ 10 āĻāĻŋ.āĻŽāĻŋ. āĻĒā§āϰā§āĻŦ, āϤāĻžāϰāĻĒāϰ 5 āĻāĻŋ.āĻŽāĻŋ.āĻĻāĻā§āώāĻŋāĻŖ āĻāĻŦāĻ āϏāĻŦāĻļā§āώ⧠10 āĻāĻŋ.āĻŽāĻŋ āĻĒāĻļā§āĻāĻŋāĻŽā§ āĻā§āϞā§āĨ¤ āϤā§āĻŽāĻŋ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ āĻāϤ āĻāĻŋ.āĻŽāĻŋ. āĻĻā§āϰ⧠āĻāĻā§?
If you start your journey from your house and go at first 10 kilometeres to north then 10 kilometres to East, then 5 kilometres to South, and finally 10 kilometres to west. Then what is your final distance (in kilometer) from your house?
5. A āĻĨā§āĻā§ C āϤ⧠āϝāĻžāĻŦāĻžāϰ āĻĻā§āĻāĻŋ āϰā§āϞāĻĒāĻĨ āĻ C āĻĨā§āĻā§ B āϤ⧠āϝāĻžāĻŦāĻžāϰ āϤāĻŋāύāĻāĻŋ āϰā§āϞāĻĒāĻĨ āĻ A āĻĨā§āĻā§ B āϤ⧠āϝāĻžāĻŦāĻžāϰ āϏāϰāĻžāϏāϰāĻŋ āĻŦāĻŋāĻŽāĻžāύ āĻĒāĻĨ āĻāĻā§ āĨ¤ āĻāϤāĻāĻžāĻŦā§ A āĻĨā§āĻā§ B āϤ⧠āϝāĻžāĻāϝāĻŧāĻž āϝāĻžāĻŦā§?
There are two railways from A to C, 3 railways from C to B and one direct plane trip from A to B. In how many ways is it possible to go from A to B?
6. āύāĻžāĻĢāĻŋāϏ āύāϝāĻŧāĻāĻŋ āĻā§āϰāĻŽāĻŋāĻ āϏāĻāĻā§āϝāĻž āϝā§āĻ āĻāϰ⧠āϝā§āĻāĻĢāϞ āĻĒā§āϞ 270āĨ¤ āϤāĻžāĻšāϞ⧠āĻ āύāϝāĻŧāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āĻŽāĻžāĻāĻāĻžāύā§āϰ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ ?
Nafis found that the sum of nine consecutive numbers is 270. Then what is the middle number of those nine numbers?
7. āĻāĻ āĻŽā§āĻŦāĻžāĻāϞ āĻā§āĻŽā§āĻĒāĻžāύāĻŋ āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄ āϤā§āϰāĻŋāϤ⧠0,1 āĻāĻŦāĻ 2 āĻāĻžāĻĄāĻŧāĻž āĻ
āύā§āϝ āĻā§āύ āĻĄāĻŋāĻāĻŋāĻ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠āύāĻžāĨ¤ āϝāĻĻāĻŋ āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄāĻā§āϞ⧠5 āĻĄāĻŋāĻāĻŋāĻā§āϰ āĻšāϝāĻŧ āϤāĻžāĻšāϞ⧠āϤāĻžāϰāĻž āĻāϤ āĻā§āϞ⧠āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄ āĻŦāĻžāĻāĻžāϰ⧠āĻāĻžāĻĄāĻŧāϤ⧠āĻĒāĻžāϰāĻŦā§?
A mobile company uses only the digits 0, 1 and 2 to make their mobile cards. If the mobile cards are of 5 digits, then how many cards can they supply to the _market?
8. 1 āĻĨā§āĻā§ 10 āĻāϰ āĻŽāϧā§āϝ⧠āϏāĻŦāĻā§āϞ⧠āϏāĻāĻā§āϝāĻž āĻāĻŽāĻĒāĻā§āώ⧠1 āĻŦāĻžāϰ āĻ āϏāϰā§āĻŦā§āĻā§āĻ 2 āĻŦāĻžāϰ āĻāϰ⧠āύāĻŋāϝāĻŧā§ āϝā§āĻ āĻāϰāĻž āĻšāϞāĨ¤ āϝā§āĻāĻĢāϞ 108 āĻšāϞ⧠āĻāϝāĻŧāĻāĻŋ āϏāĻāĻā§āϝāĻž 2 āĻŦāĻžāϰ āĻāϰ⧠āĻāĻā§?
All the numbers between 1 and 10 are added taking each number at least once and at most twice. If the sum is 108, how many numbers are added twice?
Junior Category
1. ⥠X 757 = 757757757
āĻāĻžāϞāĻŋ āĻāϰ āĻĒā§āϰāĻŖ āĻāϰāĨ¤
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2. āĻā§āύ āĻāĻāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āϏāĻžāĻĨā§ 12 āϝā§āĻ āĻāϰāϞ⧠āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻĻā§āĻŦāĻŋāĻā§āύ āĻšāϝāĻŧāĨ¤ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ?
A number is doubled if it 12 is added with it. What is that number ?
3. āϤā§āĻŽāĻŋ āϤā§āĻŽāĻžāϰ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ 10 āĻāĻŋāĻŽāĻŋ .āĻāϤā§āϤāϰ, āϤāĻžāϰāĻĒāϰ 10 āĻāĻŋ.āĻŽāĻŋ. āĻĒā§āϰā§āĻŦ, āϤāĻžāϰāĻĒāϰ 6 āĻāĻŋ.āĻŽāĻŋ.āĻĻāĻā§āώāĻŋāĻŖ āĻāĻŦāĻ āϏāĻŦāĻļā§āώ⧠10 āĻāĻŋ.āĻŽāĻŋ .āĻĒāĻļā§āĻāĻŋāĻŽā§ āĻā§āϞā§āĨ¤ āϤā§āĻŽāĻŋ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ āĻāϤ āĻāĻŋ. āĻŽāĻŋ. āĻĻā§āϰ⧠āĻāĻā§?
If you start your journey from your house and go at first 10 kilometeres to north then 10 kilometres to East, then 6 kilometres to South, and finally 10 kilometres to west. Then what is your final distance (in kilometer) from your house?
4. 101^2 + 103^2 + 202^2 + 2 Ã 101 Ã 103 â 2 Ã 101 Ã 202 â 2 Ã 103 Ã 202 = ?
5. āύāĻžāĻĢāĻŋāϏ āύāϝāĻŧāĻāĻŋ āĻā§āϰāĻŽāĻŋāĻ āϏāĻāĻā§āϝāĻž āϝā§āĻ āĻāϰ⧠āϝā§āĻāĻĢāϞ āĻĒā§āϞ 171āĨ¤ āϤāĻžāĻšāϞ⧠āĻ āύāϝāĻŧāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āĻŽāĻžāĻāĻāĻžāύā§āϰ
āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ ?
Nafis found that the sum of nine consecutive numbers is 171. Then what is the middle number of those nine numbers?
6. āĻāĻ āĻŽā§āĻŦāĻžāĻāϞ āĻā§āĻŽā§āĻĒāĻžāύāĻŋ āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄ āϤā§āϰāĻŋāϤ⧠0,1 āĻāĻŦāĻ 2 āĻāĻžāĻĄāĻŧāĻž āĻ
āύā§āϝ āĻā§āύ āĻĄāĻŋāĻāĻŋāĻ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠āύāĻžāĨ¤ āϝāĻĻāĻŋ āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄāĻā§āϞ⧠6 āĻĄāĻŋāĻāĻŋāĻā§āϰ āĻšāϝāĻŧ āϤāĻžāĻšāϞ⧠āϤāĻžāϰāĻž āĻāϤ āĻā§āϞ⧠āĻŽā§āĻŦāĻžāĻāϞā§āϰ āĻāĻžāϰā§āĻĄ
āĻŦāĻžāĻāĻžāϰ⧠āĻāĻžāĻĄāĻŧāϤ⧠āĻĒāĻžāϰāĻŦā§?
A mobile company uses only the digits 0, 1 and 2 to make their mobile cards. If the mobile cards are of 6 digits, then how many cards can they supply to the market?
7. āĻāĻāĻāĻŋ āĻŦā§āϤā§āϤā§āϰ AD āĻŦā§āϝāĻžāϏ āĻāĻŦāĻ AB||CD āĻĻā§āĻāĻāĻŋ āϏāĻŽāĻžāύā§āϤāϰāĻžāϞ āĻā§āϝāĻžāĨ¤ āĻā§āϝāĻžāĻĻā§āĻŦāϝāĻŧā§āϰ āĻŽāϧā§āϝāĻŦāϰā§āϤ⧠āϞāĻŽā§āĻŦ āĻĻā§āϰāϤā§āĻŦ ā§Ē āĻāĻāĻ āĻāĻŦāĻ āĻāĻāĻāĻŋ āĻā§āϝāĻž 6 āĻāĻāĻāĨ¤ āĻŦā§āϤā§āϤā§āϰ āĻŦā§āϝāĻžāϏāĻžāϰā§āϧ āĻāϤ?

AD is the diameter of a circle and AB, CD are two parallel chords. The perpendicular distance between the two chords is 8 units and one chord is 6 units long. What is the radius of the circle?
8. abc0ac āĻāĻāĻāĻŋ āĻāϝāĻŧ āĻ
āĻāĻā§āϰ āĻĒā§āϰā§āĻŖāĻŦāϰā§āĻ āϏāĻāĻā§āϝāĻž āϝā§āĻāĻŋ 5 āĻāĻŦāĻ 11 āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻŋāĻāĻžāĻā§āϝ āĨ¤ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ? abc0ac is a six digit perfect square number which is divisible by 5 and 11. Find out the number.
Secondary Category
1. ⥠X 1001001 = 1003003002
āĻāĻžāϞāĻŋ āĻāϰ āĻĒā§āϰāĻŖ āĻāϰāĨ¤
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2. āϤā§āĻŽāĻŋ āϤā§āĻŽāĻžāϰ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ 10 āĻāĻŋāĻŽāĻŋ .āĻāϤā§āϤāϰ, āϤāĻžāϰāĻĒāϰ 10 āĻāĻŋ.āĻŽāĻŋ.āĻĒā§āϰā§āĻŦ, āϤāĻžāϰāĻĒāϰ 3 āĻāĻŋ.āĻŽāĻŋ.āĻĻāĻā§āώāĻŋāĻŖ āĻāĻŦāĻ āϏāĻŦāĻļā§āώ⧠10 āĻāĻŋ.āĻŽāĻŋ .āĻĒāĻļā§āĻāĻŋāĻŽā§ āĻā§āϞā§āĨ¤ āϤā§āĻŽāĻŋ āĻŦāĻžāϏāĻž āĻĨā§āĻā§ āĻāϤ āĻāĻŋ. āĻŽāĻŋ. āĻĻā§āϰ⧠āĻāĻā§?
If you start your journey from your house and go at first 10 kilometeres to north then 10 kilometres to East, then 3 kilometres to South, and finally 10 kilometres to west. Then what is your final distance (in kilometer) from your house?
3. 104^2 + 103^2 + 202^2 + 2 Ã 104 Ã 103 â 2 Ã 104 x 202 â 2 Ã 103 Ã 202 =?
4. āύāĻžāĻĢāĻŋāϏ āύāϝāĻŧāĻāĻŋ āĻā§āϰāĻŽāĻŋāĻ āϏāĻāĻā§āϝāĻž āϝā§āĻ āĻāϰ⧠āϝā§āĻāĻĢāϞ āĻĒā§āϞ 198āĨ¤ āϤāĻžāĻšāϞ⧠āĻ āύāϝāĻŧāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āĻŽāĻžāĻāĻāĻžāύā§āϰ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ?
Nafis found that the sum of nine consecutive numbers is 198. Then what is the middle number of those nine numbers?
5. abc0ac āĻāĻāĻāĻŋ āĻāϝāĻŧ āĻ
āĻāĻā§āϰ āĻĒā§āϰā§āĻŖāĻŦāϰā§āĻāϏāĻāĻā§āϝāĻž āϝā§āĻāĻŋ 5 āĻāĻŦāĻ 11 āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻŋāĻāĻžāĻā§āϝ āĨ¤ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ? abc0ac is a six digit perfect square number which is divisible by 5 and 11. Find out the number.
6. ABCD āĻāϝāĻŧāϤāĻā§āώā§āϤā§āϰ⧠AB=131 AB āĻā§ āĻŦā§āϝāĻžāϏ āϧāϰ⧠āĻāĻāĻāĻž āĻ
āϰā§āϧāĻŦā§āϤā§āϤ CD āĻā§ āĻĻā§āĻāĻāĻŋ āĻŦāĻŋāύā§āĻĻā§ P āĻ Q āϤ⧠āĻā§āĻĻ āĻāϰā§āĨ¤ AP=12 āĻšāϞ⧠ABCD āĻāϰ āĻā§āώā§āϤā§āϰāĻĢāϞ āĻāϤ?
In ABCD rectangle where AB=13. The semicircle drawn by considering AB as diameter intersects CD at P and Q points. If AP=12, then find the area of ABCD.
7. āĻĒāĻā§āĻāĻžāĻļāĻāĻŋ āϧāύāĻžāϤā§āĻŽāĻ āĻĒā§āϰā§āĻŖāϏāĻāĻā§āϝāĻžāĻā§ āĻĒāĻžāĻļāĻžāĻĒāĻžāĻļāĻŋ āϞā§āĻāĻž āĻšāϞ⧠āϝā§āĻāĻžāύ⧠āĻĒāĻžāĻļāĻžāĻĒāĻžāĻļāĻŋ āϝā§āĻā§āύ āĻāĻžāϰāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āϝā§āĻāĻĢāϞ 53 āĨ¤ āĻĒā§āϰāĻĨāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ 3, 19āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ 13āϤāĻŽ āϏāĻāĻā§āϝāĻžāϰ ā§Ē āĻā§āĻŖ āĻāĻŦāĻ 28āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ
37āϤāĻŽ āϏāĻāĻā§āϝāĻžāϰ 5 āĻā§āĻŖ āĻšāϞ⧠44āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ?
50 natural numbers are written in such a way so that sum of any four consecutive | numbers is 53. First number is 3, the 19th number is eight times of 13th number and 28th number is five times f 37th. Find the 44th number.
8. ABC āϏāĻŽāĻā§āĻŖā§ āϤā§āϰāĻŋāĻā§āĻā§ â B =90°, â C=15° āĻāĻŦāĻ AC = 7āĨ¤ AC āĻāϰ āĻāĻĒāϰ P āĻŦāĻŋāύā§āĻĻā§ āύā§āĻāϝāĻŧāĻž āĻšāϞāĨ¤ P āĻĨā§āĻā§ AB āĻ AC āĻāϰ āĻāĻĒāϰ PX āĻ PY āϞāĻŽā§āĻŦ āĻāĻāĻāĻŋāĨ¤ PX.PY >3 āĻšāĻāϝāĻŧāĻžāϰ āϏāĻŽā§āĻāĻžāĻŦā§āϝāϤāĻž \frac abāϝā§āĻāĻžāύ⧠a āĻ b āϏāĻšāĻŽā§āϞāĻŋāĻāĨ¤ b-a = ?
In triangle ABC, â B =90°, â C=15° and AC = 7. A point P on AC is taken and then perpendicular lines PX, PY are drawn on AB, AC respectively. The probability of being PX.PY>3 is \frac ab, where a and b are co-prime. b-a = ?
Higher Secondary Category
1. âĄ Ã 100010001 = 1000300030002
āĻāĻžāϞāĻŋ āĻāϰ āĻĒā§āϰāĻŖ āĻāϰāĨ¤
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2. 32 āĻā§ āĻŽā§āĻ āĻāϤāĻā§āϞ⧠āϧāύāĻžāϤā§āĻŽāĻ āĻĒā§āϰā§āĻŖāϏāĻāĻā§āϝāĻž āĻĻā§āĻŦāĻžāϰāĻž āĻāĻžāĻ āĻāϰāĻž āϝāĻžāϝāĻŧ, āϝāĻžāϤ⧠āĻāĻžāĻāĻļā§āώ āĻļā§āύā§āϝ āĻšāϝāĻŧ? How many positive integers are there by which 32 is divisible?
3. 101^2 + 103^2 + 202^2 + 2 Ã 101 Ã 103 â 2 Ã 101 Ã 202 â 2 Ã 103 Ã 202 = ?
4. āύāĻžāĻĢāĻŋāϏ āύāϝāĻŧāĻāĻŋ āĻā§āϰāĻŽāĻŋāĻ āϏāĻāĻā§āϝāĻž āϝā§āĻ āĻāϰ⧠āϝā§āĻāĻĢāϞ āĻĒā§āϞ 234āĨ¤ āϤāĻžāĻšāϞ⧠āĻ āύāϝāĻŧāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āĻŽāĻžāĻāĻāĻžāύā§āϰ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ ?
Nafis found that the sum of nine consecutive numbers is 234. Then what is the middle number of those nine numbers?
5. ABCD āĻāϝāĻŧāϤāĻā§āώā§āϤā§āϰ⧠AB=17āĨ¤ AB āĻā§ āĻŦā§āϝāĻžāϏ āϧāϰ⧠āĻāĻāĻāĻž āĻ
āϰā§āϧāĻŦā§āϤā§āϤ CD āĻā§ āĻĻā§āĻāĻāĻŋ āĻŦāĻŋāύā§āĻĻā§ P āĻ Q āϤ⧠āĻā§āĻĻ āĻāϰā§āĨ¤ AP=15 āĻšāϞ⧠ABCD āĻāϰ āĻā§āώā§āϤā§āϰāĻĢāϞ āĻāϤ?
In ABCD rectangle where AB=17. The semicircle drawn by considering AB as diameter intersects CD at P and Q points. If AP=15, then find the area of ABCD.
6. āĻĒāĻā§āĻāĻžāĻļāĻāĻŋ āϧāύāĻžāϤā§āĻŽāĻ āĻĒā§āϰā§āĻŖāϏāĻāĻā§āϝāĻžāĻā§ āĻĒāĻžāĻļāĻžāĻĒāĻžāĻļāĻŋ āϞā§āĻāĻž āĻšāϞ⧠āϝā§āĻāĻžāύ⧠āĻĒāĻžāĻļāĻžāĻĒāĻžāĻļāĻŋ āϝā§āĻā§āύ āĻāĻžāϰāĻāĻŋ āϏāĻāĻā§āϝāĻžāϰ āϝā§āĻāĻĢāϞ 53 āĨ¤ āĻĒā§ā§°āĻĨāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ 3, 19āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ 13āϤāĻŽ āϏāĻāĻā§āϝāĻžāϰ ā§Ē āĻā§āĻŖ āĻāĻŦāĻ 28āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ 37āϤāĻŽ āϏāĻāĻā§āϝāĻžāϰ 5 āĻā§āĻŖ āĻšāϞ⧠42āϤāĻŽ āϏāĻāĻā§āϝāĻžāĻāĻŋ āĻāϤ?
50 natural numbers are written in such a way so that sum of any four consecutive numbers is 53. First number is 3, the 19th number is eight times of 13th number and 28th number is five times f 37th. Find the 42th number.
7. āĻāĻāĻāĻŋ 100Ã100 āĻĻāĻžāĻŦāĻž āĻŦā§āϰā§āĻĄā§āϰ āĻāĻāĻĻāĻŽ āύāĻŋāĻā§āϰ āϏāĻžāϰāĻŋāϤ⧠āĻŦāĻžāĻŽ āĻĻāĻŋāĻ āĻĨā§āĻā§ 50 āϤāĻŽ āĻāϰ⧠āĻāĻāĻāĻŋ āϏā§āύā§āϝ āϰāĻžāĻāĻž āĻšāϞāĨ¤ āĻāĻāĻāĻŋ āϏā§āύā§āϝ āĻļā§āϧā§āĻŽāĻžāϤā§āϰ āϏā§āĻāĻž āϏāĻžāĻŽāύ⧠āĻ
āĻĨāĻŦāĻž āĻā§āĻŖāĻžāĻā§āĻŖāĻŋ āϏāĻžāĻŽāύ⧠āĻāĻ āĻāϰ āϝā§āϤ⧠āĻĒāĻžāϰā§āĨ¤ āĻāĻ āϏā§āύā§āϝāĻāĻŋ 20 āĻŦāĻžāϰ āĻāĻžāϞāĻž āĻšāϞāĨ¤ āĻāĻ āĻĻāĻžāĻŦāĻž āĻŦā§āϰā§āĻĄā§ āϏāϰā§āĻŦā§āĻā§āĻ āĻāϤāĻā§āϞ⧠āĻāϰ āĻāĻā§ āϝā§āĻā§āϞ⧠āϏā§āύā§āϝā§āϰ āĻāϤāĻŋāĻĒāĻĨā§ āĻĒāĻĄāĻŧāϤ⧠āĻĒāĻžāϰā§? āĻāĻā§āώā§āϤā§āϰ⧠āϏā§āύā§āϝā§āϰ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ āĻ
āĻŦāϏā§āĻĨāĻžāύāĻ āĻāĻŖāύāĻžāϰ āĻ
āĻāĻļ āĻšāĻŦā§āĨ¤
In a 100×100 chess board, a pawn is placed in the lowest row, 50th box from the left. A pawn can only move one box straight or diagonally in forward direction. The pawn is moved for 20 times. What is the maximum number of box where can this pawn be? [Count the initial position too.]
8. ABC āϏāĻŽāĻā§āĻŖā§ āϤā§āϰāĻŋāĻā§āĻā§ â B =90°, â C=15° āĻāĻŦāĻ AC = 7āĨ¤ AC āĻāϰ āĻāĻĒāϰ P āĻŦāĻŋāύā§āĻĻā§ āύā§āĻāϝāĻŧāĻž āĻšāϞāĨ¤ P āĻĨā§āĻā§ AB āĻ AC āĻāϰ āĻāĻĒāϰ PX āĻ PY āϞāĻŽā§āĻŦ āĻāĻāĻāĻŋāĨ¤ PX.PY >3 āĻšāĻāϝāĻŧāĻžāϰ āϏāĻŽā§āĻāĻžāĻŦā§āϝāϤāĻž \frac abāϝā§āĻāĻžāύ⧠a āĻ b āϏāĻšāĻŽā§āϞāĻŋāĻāĨ¤ b-a = ?
In triangle ABC, â B =90°, â C=15° and AC = 7. A point P on AC is taken and then perpendicular lines PX, PY are drawn on AB, AC respectively. The probability of being PX.PY>3 is \frac ab, where a and b are co-prime. b-a = ?
Set_01_Math Olympiad Regional Question 2016
Set_02_Math Olympiad Regional Question 2016
Set_03_Math Olympiad Regional Question 2016
Set_04_Math Olympiad Regional Question 2016
Set_05_Math Olympiad Regional Question 2016
Set_06_Math Olympiad Regional Question 2016

