STD 3 Math Set 3
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1) If the average of three numbers is 25, and two of the numbers are 18 and 30, what is the third number?
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2) Which is a punctuation mark ?
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3) How many millimeters are in a centimeter?
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4) If a book has 150 pages, and Maria reads 1/3 of the book, how many pages does she read?
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5) Which unit is used to measure speed ?
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6) What is the missing number in the sequence: 8, 16, ____, 32, 40?
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7) What is the sum of 48 and 19 ?
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8) A school play has 48 students. If 3/8 of the students are actors and the rest are backstage crew, how many students are backstage crew?
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9) Which shape does not have four sides?
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10) What is the product of 80 multiplied by 7?
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11) Which of the following is a prime number?
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12) How many hours are there in a day ?
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13) Tom has $50. He spends 1/5 of it on a toy and 2/5 on books. How much money does he have left?
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14) What is the sum of the first ten natural number?
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15) What is the missing number in the sequence: 15, 25, ____, 45, 55 ?
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16) What time is it when the big hand is on the 6 and the small hand is on the 12 ?
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17) If a field has a perimeter of 32 meters and one side is 8 meters long, what is the length of the adjacent side?
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18) If a field has a perimeter of 32 meters and one side is 8 meters long, what is the length of the adjacent side?
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19) How many sides does a heptagon have?
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20) How many sides does an octagon have?
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21) If the sum of two numbers is 48, and one number is 20, what is the other number?
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22) Which of the following is a proper fraction ?
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23) What is the product of 7 multiplied by 9?
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24) Lucy buys a box of pencils for $12. She sells each pencil for $1.50. If she sells all the 12 pencils, how much profit does she make?
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25) Which of the following is a faster speed:
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