
Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 …
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Write all the integers between the given pairs (write them in the increasing order): (a) 0 and 7 (b) 4 …
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Write down separately the prime and composite numbers less than 20. Solution 8. Prime numbers: 2, 3, 5, 7, 11, …
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Write down the measureof: (a) Some acute angles (b) Some obtuse angles (give at least two examples ofeach) Solution (a) …
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Write first five multiples of: (a) 5 (b) 8 (c) 9 Solution 2. (a) 5x 1 = 5, 5 x …
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Write five pairs of prime numbers less than 20 whose sum is divisible by 5. [Hint : 3+7=10] Solution 15. …
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(a)Write four negative integers greater than –20 (b) Write four negative integers less than –10. Solution For the following statements …
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Write opposite of the following: (a) Increase in weight (b) 30 km north (c) 326 BC (d) Loss of Rs …
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Write seven consecutive composite numbers less than 100 so that there is no prime number between them Solution: 90, 91, …
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Write the fraction representing the shaded portion: Solution (i) 2/4 (ii) 8/9 (iii) 4/8 (iv) 1/4 (v) 3/7 (vi) 3/12 …
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3.Insert commas suitably and write the names according to Indian system of numeration: (a)87595762 (b)8546283 (c)99900046 (d)98432701 Solution 3. (a) …
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4.Insert commas suitable and write the names according to International system of numeration: (a)78921092 (b)7452283 (c)99985102 (d)48049831 Solution 4. (a) …
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Write the natural numbers from 102 to 113. What fraction of them are prime numbers? Solution Natural numbers from 102to113:102, …
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2. Place commas correctly and write the numerals: (a) Seventythree lakh seventyfive thousand three hundred seven. (b) Nine crore five …
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Write the smallest 5digit number and express it in terms of its prime factors. Solution 34. The smallest five digit …
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Write the smallest digit and the largest digit in the blanks space of each of the following numbers so that …
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