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IntroductionGT package Math Olympiad
Math Olympiad 1
Math Olympiad 2
Math Olympiad 3
Math Olympiad 4
Math Olympiad 5
Week 1: Number SubstitutionWeek 2: MeasurementsWeek 3: Sum, Difference & MultipleWeek 4: Fraction & DecimalsWeek 5: Quiz 1Week 6: Solve EquationWeek 7: Geometry (1)Week 8: Counting ProblemsWeek 9: Number CalculationWeek 10: Quiz 2Week 11: Percentage ProblemsWeek 12: Distance, Speed & TimeWeek 13: Work ProblemsWeek 14: Divisibility and RemainderWeek 15: Quiz 3Week 16: Least and MostWeek 17: Word Problems (1)Week 18: Number Thinking (1)Week 19: Combination & Probability (1)Week 20: Quiz 4Week 21: AlgebraWeek 22: Time ProblemsWeek 23: Average ProblemsWeek 24: Multiple & FactorWeek 25: Quiz 5Week 26: Mid-Term ExamWeek 27: Ratio ProblemsWeek 28: Number Thinking (2)Week 29: Data AnalysisWeek 30: Age ProblemsWeek 31: Quiz 6Week 32: Number SequencesWeek 33: Pattern ProblemWeek 34: "Unsolvable" EquationsWeek 35: Money ProblemsWeek 36: Quiz 7Week 37: Geometry(2)Week 38: Logical ReasoningWeek 39: Word Problem (2)Week 40: Number Thinking (3)Week 41: Quiz 8Week 42: Combination & Probability (2)Week 43: Distance, Speed & Time (2)Week 44: Challenge Geometry Questions Week 45: Sum, Difference & Multiple (2)Week 46: Quiz 9Week 47: Probability ProblemsWeek 48: Distance, Speed & Time (3)Week 49: Price & CostWeek 50: Challenge ProblemsWeek 51: Quiz 10Week 52: Final Exam
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Number Calculation( Week 9 Evaluation)
1.  63 + 63 + 63 + 63 + 63 + 63
A) 63 − 1
B) 66 × 3
C) 63 + 1
D) 363
E) 63 + 6
2.  What is the value of |A − B| + |B − A| if A = -3 and B = -12?
A) 20
B) 21
C) 17
D) 18
E) 0
3.  If S = 5, T = 7 and U = 8, what is the value of S2 − (T − U)2?
A) 22
B) 23
C) 24
D) 34
E) 21
4.  If x = 4 and y = 5, what is the value of 2|x − 3y| − |4xy| ?
A) -57
B) -60
C) -55
D) -62
E) -58
5.  P and Q are positive integers and P + Q = 13. What is the smallest possible value of
1
P
  + 
1
Q
  ?
A)
11
12
 
B)
13
14
 
C)
13
41
 
D)
13
42
 
E)
2
7
 
6.  What is the product of (1 + 
1
2
 )(1 + 
1
3
 )(1 + 
1
4
 )(1 + 
1
5
 )?
A) 3
B)
31
3
 
C)
32
3
 
D)
33
5
 
E)
31
4
 
7.  What is the product of (1 − 
1
7
 )(1 − 
1
8
 )(1 − 
1
9
 )(1 − 
1
10
 )(1 − 
1
11
 )(1 − 
1
12
 )(1 − 
1
13
 )?
A)
1
2
 
B)
6
13
 
C)
2
5
 
D)
3
5
 
E)
2
3
 
8.  Deducting a number by
44
5
  and then adding the result by
33
4
  is equivalent to performing which of the following operations on the number?
A) Deducting by
211
20
 
B) Adding by
 −19
20
 
C) Adding by
19
20
 
D) Deducting by
11
20
 
E) Adding by
 −1
10
 
9.  What is the sum of all two-digit numbers that have at least one digit being 9?
A) 1651
B) 1788
C) 1240
D) 1925
E) 1377
10.  1A79B is a five-digit number in which A and B are digits, and the number is divisible by 36 without remainder. A is 6 more than B. Find the value of A = and the value of B = .



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