Note: The questions provided in this document are similar to the questions that were asked in the actual Olympiad exam. So, we recommend you study these for your Olympiad preparation.
Q1: Find odd one out
(a) 400, 500, 600
(b) 496, 497, 498
(c) 499, 500, 501
(d) 500, 501, 502
Ans: (a)
As in option (b), (c)and (d)there is a difference of one between the numbers, whereas in option (a)there is a difference of 100 between the numbers.
Q2: Choose the even numbers from options:
(a) C, D and E
(b) A, D and E
(c) B, C and E
(d) A, C and D
Ans: (a)
Numbers ending with digits mdivisible by 2 are even numbers.
1024, 62 and 358 are ending with 4, 2, 8 which are divisible by 2.
∴ 1024, 62 and 358 are even numbers.
Q3: Choose the correct option for number 23.
(a)
(b)
(c)
(d)
View AnswerAns: (b)
23 = 2 tens + 3 ones.
In (b)2 is tens place and 3 is at ones place.
Q4: How many tens are there in 526 ?
(a) 2
(b) 8
(c) 5
(d) 6
Ans: (a)
In 5 2 6, the digit in tens place is 2.
Q6: Find the missing term in the given pattern.
28, 33, ? 58, 78, 103
(a) 43
(b) 60
(c) 52
(d) 48
Ans: (a)
Q7: Find the missing number, if the same rule is applied row-wise or column-wise.
(a) 48
(b) 38
(c) 18
(d) 28
Ans: (d)
48 – 15 = 33
94 – 49 = 45
38 – 10 = 28
Q8: Find the missing number, if the same rule is followed in all the three figures.
(a) 24
(b) 22
(c) 23
(d) 20
Ans: (b)
6 + 5 + 1 + 2 = 14
Q9: Study the patterns 1, 2 and 3. Using the same pattern, tell the number of beads in Pattern 5.
(a) 20
(b) 25
(c) 30
(d) 35
Ans: (b)
Pattern 1 = 5 beads
Pattern 2 = 10 beads
Pattern 3 = 15 beads
Pattern 4 = 20 beads
Pattern 5 = 25 beads
Q10: Which of the following numbers will continue the given number pattern ?
0, 2, 4, 6, 8, 10, ?
(a) 16
(b) 18
(c) 12
(d) 14
Ans: (c)
Ans: (b)
20 + 20 = 40
Q12: Ravi had 4 apples in Box A and 5 apples in Box B.
How many total apples Ravi had ?
(a) 8
(b) 9
(c) 7
(d) 5
Ans: (b)
Q13: Which of the following is equal to 8 + 12 + 16 ?
(a) 37
(b) 38
(c) 36
(d) 35
Ans: (c)
8 + 12 + 16 = 36
Q14: How much should be subtracted from 60 to get 27.
(a) 30
(b) 33
(c) 31
(d) 35
Ans: (b)
60 – 33 = 2760 – 33 = 27
Q15: Find the missing number.
22 + 9 = 11 + _______
(a) 20
(b) 18
(c) 15
(d) 17
Ans: (a)
22 + 9 = 11 + 20
Q16: Select the correct match.
(a) 18 tens + 11 ones = 192 (one hundred and ninety two)
(b) 24 tens – 150 ones = 85 (eighty five)
(c) 70 tens – 5 tens = 650 (six hundred and fifty)
(d) 184 ones + 216 ones = 490 (four hundred and ninety)
Ans: (c)
70 tens – 5 tens = 65 tens = 650 = six hundred and fifty
Q17: There are 427 houses on one side of a road and 398 houses on the other side. How many houses are there along the road ?
(a) 285
(b) 528
(c) 295
(d) 825
Ans: (d)
Total number of houses = 427 + 398 = 825
Q18: What is the nearest hundred for 186?
(a) 200
(b) 100
(c) 300
(d) 400
Ans: (a)
As 8 is in tens place, so nearest hundred for 186 is 200.
Q19: A coffee shop sells 160 small, 240 medium, 320 large cups of coffee in a week. How many total cups of coffee are sold in a week ?
(a) 700
(b) 710
(c) 750
(d) 720
Ans: (d)
Total number of coffee cups = 160 + 240 + 320 = 720
Q20: How many tens make 120 ?
(a) 12
(b) 10
(c) 2
(d) 1
Ans: (a)
12 tens
Q21: Which one of the following is true for 36 ?
(a) 6 tens + 3 ones
(b) 3 tens + 3 ones
(c) 9 tens + 3 ones
(d) 3 tens + 6 ones
Ans: (d)
Q22: What is the tens digit in the number 124 ?
(a) 4
(b) 2
(c) 1
(d) 5
Ans: (b)
Q23: Expanded form of 896 = _________
(a) 80 + 60 +9
(b) 8 + 90 + 60
(c) 800+ 90 +6
(d) 800 + 9 + 60
Ans: (c)
896 =
∴ 896 = 800 + 90 + 6.
Q24: Select the INCORRECT match.
(a) 3 hundreds and 2 tens = three hundred and twenty
(b) 5 hundreds – 23 ones = four hundred and seventy seven
(c) 15 tens more than 68 ones = Three hundred and eighteen
(d) The largest 3-digit number = Nine hundred and ninety nine
Ans: (c)
15 tens more than 68 ones
= 150 + 68 = 218
= Two hundred and eighte
Q25: Which one of the following is the smallest two digit number ?
(a) 11
(b) 10
(c) 100
(d) 99
Ans: (b)
10 is the smallest two digit number.
Q26: Sneha eats 2 candies every day. How many candies would she eat in the month of August?
(a) 62
(b) 60
(c) 58
(d) 56
Ans: (a)
Number of days in August = 31
Number of candies Sneha eats in one day = 2.
Number of candies Sanehs eats in 31 days = 2 × 31 = 62
Q27: Which one of the following is incorrect?
(a) 6 × 6 = 36
(b) 9 × 9 = 81
(c) 7 × 7 = 49
(d) 8 × 8 = 60
Ans: (d)
8 × 8 = 60 is incorrect
8 × 8 = 64
Q28: There are 5 apples hanging on one tree. How many apples are there on 7 such trees?
(a) 35
(b) 42
(c) 28
(d) 50
Ans: (a)
Number of apples hanging on one tree are = 5
Number of apples hanging on 7 trees
= 7 × 5 = 35
Q29: How many pairs of stars can be made?
(a) 4
(b) 3
(c) 5
(d) 2
Ans: (c)
No. of stars in pair = 2
Total no. of pairs = 10 ÷ 2 = 5
Q30: Which one of the following option is correct for the figure given below?
(a) 1 × 2
(b) 2 × 2
(c) 3 × 2
(d) 4 × 2
Ans: (c)
Total number of bananas in the figure = 3 × 2 = 6
Q31: It takes 9 cups of tea to fill up the kettle. It takes 3 cups of tea to fill up the teapot. How many teapots filled of tea are needed to fill up the kettle?
(a) 3
(b) 5
(c) 2
(d) 6
Ans: (a)
3 cups of tea = 1 teapot filled on tea.
9 cups of tea = 1 kettle fill of tea.
No. of teapots will fill one kettle
= 9 ÷ 3
Q32: Find the missing number in the following:
(a) 18
(b) 12
(c) 15
(d) 21
Ans: (a)
15 ÷ 5 = 3
12 ÷ 4 = 3
18 ÷ 6 = 3
6 ÷ 2 = 3
Q33: Look at the following figure carefully. Kiran goes from Railway Station to Airport and from Airport to Bus Stand. Which is the shortest distance he cover to reach his destination?
(a) 10 km
(b) 9 km
(c) 8 km
(d) 13 km
Ans: (d)
Distance from Railway Station to Airport = 7 km
Distance from Airport to Bus Stand= 6 km
Total distance Kiran covered= 7 km + 6 km= 13 km
Q34: Which of the following represents 3 and half minutes?
(a) 60 seconds + 60 seconds + 30 seconds.
(b) 60 seconds + 60 seconds + 30 seconds + 30 seconds.
(c) 60 seconds + 60 seconds + 60 seconds + 30 seconds.
(d) 60 seconds + 30 seconds + 30 seconds.
Ans: (c)
1 minute = 60 seconds
1/2 Half minute = 30 seconds
3 and half minute = 60 seconds + 60 seconds + 60 seconds + 30 seconds
= 3 minutes 30 seconds
Q35: If dividend is 117 and divisor is 6, then what will be the remainder (R) and Quotient (Q)?
(a) R = 2, Q = 18
(b) R = 1, Q = 19
(c) R = 0, Q = 20
(d) R = 3, Q = 19
Ans: (d)
Dividend = 117Divisor = 6
Dividend = Divisor × Quotient + Remainder
117 = 6 × 19 + 3
Quotient = 19
Remainder = 3
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