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In a study of dental problem, the following data were obtained.
| Ages | 0 − 10 | 10 − 20 | 20 − 30 | 30 − 40 | 40 − 50 | 50 − 60 | 60 − 70 | 70 − 80 |
| No. of patients | 5 | 13 | 25 | 14 | 30 | 35 | 43 | 50 |
Represent the above data by a frequency polygon.
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A _________ is a line graph for the graphical representation of the continuous frequency distribution
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Common prime factors of 30 and 250 are
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Common prime factors of 36, 60 and 72 are
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Two numbers are said to be co-prime numbers if their HCF is
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4 typists are employed to complete a work in 12 days. If two more typists are added, they will finish the same work in _________ days
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If there are 143 math books to be arranged in equal numbers in all the stacks, then find the number of books in each stack and also the number of stacks.
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There are an unlimited number of rational numbers between 10 and 11
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Compare the following pair of rational numbers
`(-11)/5, (-21)/8`
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Compare the following pair of rational numbers
`3/(-4), (-1)/2`
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Compare the following pair of rational numbers
`2/3, 4/5`
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Which of the following pairs is equivalent?
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Find the perimeter and area of the figure given below. `(pi = 22/7)`
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Find the perimeter and area of the figure given below. `(pi = 22/7)`
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Find the area of the shaded part in the following figure. (π = 3.14)
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Find the area of the shaded part in the following figure. (π = 3.14)
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Find the area of the combined figure given which is got by joining of two parallelograms
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Find the area of the combined figure given, formed by joining a semicircle of diameter 6 cm with a triangle of base 6 cm and height 9 cm. (π = 3.14)
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The doormat which is in a hexagonal shape has the following measures as given in the figure. Find its area.

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A rocket drawing has the measures as given in the figure. Find its area
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