(Std ) CHINMAYA MATHEMATICS SAMPLE PAPER. Please fill the following details immediately Name: Hall Ticket No.:

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1 (Std ) CHINMAYA MATHEMATICS OLYMPIAD SAMPLE PAPER Please fill the following details immediately Name: Hall Ticket No.: 50 Questions Time Allowed : 120 Minutes Do not open this question paper until the signal is given. Please check the CLASS printed on the cover page and the inside is same when you open the booklet.

2 (Std ) General Instructions: 1) All questions are compulsory and carry equal marks. 2) There is no negative marking. 3) There is only one correct answer hence write one choice only. 4) Please avoid cutting/overwriting etc. 5) Return the paper to the invigilator at the end of the examination. 6) Write the correct option in the

3 (Std ) 1) There are eighty six thousand four hundred seconds in a day. How else could this number be written? a] 80,064 b] 80,640 c] 86,400 d] 86,404 2) Observe the following square and find the number in place of * * a] 11 b] 6 c] 7 d] 9 3) How many times the digit 2 be used in writing all the 2 digit prime numbers? a] 1 b] 2 c] 3 d] not possible 4) On the circumference of a circle, 6 points are drawn. How many lines can be drawn joining any two points? a] 5 b] 6 c] 15 d] infinite 5) Leena and her mother made a quilt. They used 56 squares and made 8 rows. How many squares are in each row? a] 6 b] 7 c] 8 d] 9

4 (Std ) 6) In the adjoining figure how many obtuse angles are there? a] 5 b] 7 c] 6 d] 0 7) 25 can be written as a] 1 ten 15 ones b] 2 tens 5 ones c] 5 tens 2 ones d] 3 tens 2 ones. 8) Jyoti walked 3 km each day. How many kilometre had she walked after 14 days? a] 42 b] 32 c] 14 d] 11 9) Ram, Rahul, and Rohit shared a bag of marbles. The bag contained 272 marbles. How many marbles were left over after the friends shared them equally? a] 90 b] 91 c] 6 d] 2 10) What number goes on the line in the pattern? 1, 2, 4, 8, 16,, 64 a] 20 b] 26 c] 32 d] 34 11) How many vertices does this pyramid have? a] 4 b] 5 c] 6 d] 8

5 (Std ) 12) Start at 23.Count by 10 two times. Add 1. What number are you at? a] 33 b] 44 c] 55 d] 45 13) Which of these is the number 5,005,014? a] Five million, five hundred, fourteen b] Five million, five thousand, fourteen c] Five thousand, five hundred, fourteen d] Five billion, five million, fourteen. 14) Justin solved the problem below. Which expression could be used to check his answer? a] (454 3) + 2 b] (454 2) + 3 c] ( ) 2 d] ( ) 3. 15) Which set of numbers is in order from greatest to least? a] 147, 163, 234, 275 b] 275, 234, 163, 147 c] 275, 163, 234, 147 d] 163, 275, 234, ) The place value of 5 in is a] 5000 b] 50 c] 500 d] 5327

6 (Std ) 17) 5 is one of the factors of a] 36 b] 30 c] 42 d] 21 18) The fraction which represents the objects cancelled in the collection is a] 5/12 b] 12/5 c] ½ d] 2/3 19) There were 3856 trees in a forest. In another forest there were 4795 trees. How many more trees were there in the second forest? a] 930 b] 939 c] 1689 d] ) The cost of a train ticket is Rs Find the cost of 15 tickets. a] Rs b] Rs c] Rs d] Rs ) 1 litre is a] 10 decilitres b] 10 centilitres c] 10 millilitres d] 100 decilitres. 22) The time shown in the clock is a] 10 min. past 5 b] 15 min. past 6 c] 30 min. past 6 d] 10 min. past 6.

7 (Std ) 23) If 14th of Feb. 92 was on Friday, then what was the day on 13th Feb. 93? a]sunday b] MONDAY c] SATURDAY d] THURSDAY 24) Perimeter of the figure given here is a] 40 cm b] 50 cm c] 45 cm d] 55 cm. 25) The radius of the circle measures 10.5cm.What will be the measure of its longest chord? a] 22cm b] 13 cm c] 21 cm d] 20 cm 26) Hill 1 is 5,729 metre high. Hill 2 is 4,049 metre high. How much higher is Hill 1 than Hill 2? a] 1,720 m b] 680 m c] 1,680 m d] 1,239 m 27) On the first day of their vacation, the Bindal family drove 628 kilometres. On the second day, they drove 602 kilometres. How many kilometres did they drive in these two days? a] 1,226 b] 1,248 c] 1,230 d] 1,330

8 (Std ) 28) Namita drew a figure with 4 square corners. Which could be the figure she drew? a] b] c] d] 29) What would be the next 3 numbers in this pattern? 9, 12, 15, 18, 21, 24, 27,,, a] 33, 36, 39 b] 30, 33, 36 c] 28, 29, 30 d] 30, 32, 34 30) Which could be one of the faces of a cylinder? a] b] c] d] 31) A triangle with all its sides unequal in length is called a] Scalene b] Isosceles c] Equilateral d] All of these 32) as a decimal equals a] 2.25 b] 2.50 c] 2.15 d] 2.30

9 (Std ) 33) Aunt Ruby s clock is shown here. If her niece is going to pick her up in 30 minutes, what time will be shown on the clock? a] 12: 10 b] 12: 70 c] 1: 10 d] 1: 60 34) What is the best unit to use for measuring the amount of soda in a drink can? a] Millilitre b] Gallon c] Tablespoon d] Cup 35) What is the rule for this number pattern? 1, 1, 2, 6, 24, 120,.. a] Add 0, then add 1, then add 2, and so on b] Multiply by 1, then multiply by 2, then multiply by 3, and so on c] Multiply by 1, then add 1 d] Multiply by two, then subtract 1. 36) Danny and Julie have new sticker books. Danny will put 4 stickers in his book every day and Julie will put 6 stickers in her book every day. How many stickers will Danny have when Julie has 30 in her book? a] 20 b] 24 c] 28 d] 30

10 (Std ) 37) What is the sum of greatest 2digit square number and smallest 3digit square number? a] 181 b] 191 c] 145 d] ) When a number is put into the machine below, a different number comes out. If 2 goes in, 6 comes out. If 4 goes in, 12 comes out. If 5 goes in, 15 comes out. If 8 goes in, what number should come out? a] 32 b] 24 c] 16 d] 12 39) On Monday Sarah sold 54 cups of lemonade. On Tuesday she sold 71 cups of lemonade. How many more cups did she sell on Tuesday compared to Monday? a] 15 b] 16 c] 17 d] 18 40) Alexa needs 74 beads to make a necklace. She has 39 beads. How many more beads does she need? a] 35 b] 36 c] 45 d] 39 41) There are 3 rows of strawberry plants. Each row has 6 plants. How many strawberry plants in all? a] 9 b] 18 c] 22 d] 24

11 (Std ) 42) The chart shows the number of eggs produced on a farm in the first five months of the year. Which of the following statements is true? a] The number of eggs produced in March was less than in May. b] The number of eggs produced in April was less than in February. c] The number of eggs produced in January was less than in March. d] The number of eggs produced in May was less than in March. 43) In the adjoining figure perimeter of the square is 72 cm,then find the radius of each circle. a] 3.6cm b] 5.5cm c] 9cm d] 4.5cm 44) Find the smallest number formed by the digits 3, 7, 0 and 2 each only twice? a] b] c] d]

12 (Std ) 45) The numerators of two fractions are 12 and 13.if their denominators are same and the sum of two fractions is 1, then which of the following can their denominator? a] 12 b] 25 c] 13 d] 1 46) What is the sum of the L.C.M and H.C.F of the numbers 24 and 32? a] 100 b] 96 c] 108 d] ) At a circus, tickets numbering from to were sold. How many tickets in all were sold? a] 5909 b] 909 c] 910 d] 10 48) A four digit number 7#5# is completely divisible by 9 and the digits in the # place are the same. Which of the following can be the digits in the # place? a] 3 b] 6 c] 4 d] 8 49) During a 100 year period say 2001 to 2100, how many leap years are there? a] 40 b] 30 c] 25 d] 10 50) The staircase is made of cubes, how many cubes will be needed to make the steps 9 steps higher? a] 35 b] 55 c] 60 d] 45