Category : 10th Grade

Ultimate Trivia Quiz On Real Numbers For 10th Grade

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Questions & Options


1. Find the HCF of 1848, 3058, and 1331.

80296 9
80297 14
80298 13
80299 11

2. An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?

80300 8
80301 7
80302 6
80303 9

3. Let x= p/q be a rational number, such that the prime factorization of q is not of the form, where n, m are non-negative integers. Then, x has a decimal expansion which is ____________

80304 Terminating
80305 Non-terminating non-repeating
80306 Terminating non-repeating
80307 Non-terminating repeating (recurring)

4. Decide whether 52.123456789 is a rational number or not. If rational (in the form p/q), what can you say about the prime factors of q?

80308 Rational Number, Prime factor of q will be only 2.
80309 Rational Number, Prime factor of q will have a factor other than 2 or 5.
80310 Not rational number.
80311 Rational Number, Prime factors of q will have either 2 or 5 or both.

5. Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating decimal expansion: 23/8

80312 Non-terminating non – repeating decimal
80313 Terminating decimal
80314 on-terminating repeating decimal
80315 Option 4

6. Write down the decimal expansions of 13/ 6250

80316 0.0208
80317 0.00208
80318 0.00512
80319 0.00416

7. Which among the following options is irrational?

80320 3.1415926535
80321 10.2
80322 -0.2
80323 0.2

8. Which one of the following can’t be the square of a natural number?

80324 20164
80325 42437
80326 81225
80327 32761

9. If the number 91876y2 is completely divisible by 8, then the smallest whole number in place of y will be:

80328 2
80329 4
80330 3
80331 1

10. a and b, when divided by 7 and 6 respectively, leave remainders p and q respectively. What is the maximum value of p + q?

80332 5
80333 6
80334 12
80335 11

11. The difference between the two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number?

80336 360
80337 295
80338 240
80339 270
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