### Ultimate Trivia Quiz On Real Numbers For 10th Grade ### 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 3.14159 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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