MCQ Class 8 Maths Chapter 1 Rational Numbers Advertisement MCQ’s For All Chapters – Maths Class 8th 1. What should be added to -5/4 to get -1? (a) -1/4 (b) 1/4 (c) 1 (d) -3/4ABCDQuestion 1 of 152. What should be subtracted from -5/4 to get -1? (a) -1/4 (b) 1/4 (c) 1 (d) -3/4ABCDQuestion 2 of 153. Which of the following is the identity element? (a) 1 (b) -1 (c) 0 (d) None of theseABCDQuestion 3 of 154. Which of the following is the Multiplicative identity for rational numbers? (a) 1 (b) -1 (c) 0 (d) None of theseABCDQuestion 4 of 155. Which of the following lies between 0 and -1? (a) 0 (b) -3 (c) -2/3 (d) 4/3ABCDQuestion 5 of 156. Which of the following is the product of 7/8 and -4/21? (a) -1/6 (b) 1/12 (c) -16/63 (d) -147/16ABCDQuestion 6 of 157. Which of the following is the product of (-7/8) and 4/21? (a) -1/6 (b) 12 (c) -63/16 (d) -16/147ABCDQuestion 7 of 158. Which of the following is the reciprocal of the reciprocal of a rational number? (a) -1 (b) 1 (c) 0 (d) The number itselfABCDQuestion 8 of 159. Write the rational number that is equal to its reciprocal a. -2 b. 0 c. 2 d. 1ABCDQuestion 9 of 1510. Sum of two rational numbers is a _______. a. negative number b. irrational number c. none of these d. rational numberABCDQuestion 10 of 1511. For any three rational numbers a, b and c, a + (b + c) = __________. a. (a + b) + c b. (a + b) - c c. (a - b) - c d. (a - b) + cABCDQuestion 11 of 1512. Name the property under multiplication used in a. Associative property b. none of these c. Commutative property d. Multiplicative identityABCDQuestion 12 of 1513. Find the multiplicative inverse of 1/4. a. -1 b. 1 c. -4 d. 4 ABCDQuestion 13 of 1514. a. 1/4 b. 0 c. 4 d. 1ABCDQuestion 14 of 1515. Find the multiplicative inverse of -13. a. 13 b. -13 c. -1/13 d. 12ABCDQuestion 15 of 15 Loading...
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