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Class 10 Maths Practice Test: Real Numbers
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Class 10 Maths Practice Test: Real Numbers
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9 Questions

1. The LCM of two numbers is 7991 and the two numbers are 61 and 131. What will be their HCF?
2. Which of the following is a prime number?
3. The highest common factor of 21 and 90 is _________
4. The least common multiple of 135 and 24 is _________
5. The fundamental theorem of arithmetic states that, every composite number can be factorized as product of primes and this factorization is unique.
6. A bakery sells cookies in three boxes. The three boxes contain 60, 84 and 108 number of cookies. The baker wants to sells all the cookies in any of the three boxes. The least number of cookies that he can bake, in a day, so that he is able to sell all his cookies in any of the three boxes is _______
7. What will be the largest number that divides 100 and 25, and leaves 3 as remainder in each case?
8. Two buckets contain 546 and 764 liters of water respectively. What will be maximum capacity of container which can measure the water of either buckets exact number of times?
9. Which of the following is a composite number?

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