Q83Multiple choice
Subtract –5308 from the sum [(–2100) + (–2001)] (D) Activities Activity I : The faces of two dice are marked +1, +2, +3, +4, +5, +6 and –1, –2, –3, –4, –5, –6, respectively. Two players throw the pair of dice alternately and record the sum of the numbers that turn up each time and keep adding their scores separately. The player whose score reaches 20 or more first, wins the game.
- (i)What can be the possible scores in a single throw of the pair of dice?
- (ii)What is the maximum score?
- (iii)What is the minimum score?
- (iv)A player gets his score 20 as follows: (5) + (–4) + (6) + (2) + (+5) + (4) + (2) Is he a winner? (v) What is the minimum number of throws needed to win the game? Activity II : Repeat Activity I by taking two dice marked with numbers +1, –2, +3, –4, +5, –6 and –1, +2, –3, +4, –5, +6, respectively. INTEGERS 51 11.4.2018 I. Indians were the first to use negative numbers. Brahmagupta used negative numbers in 628 A.D. He stated rules for operations on negative numbers. European Mathematicians of 16th and 17th century did not accept the idea of negative numbers and referred them as absurd and fiction. John Wallis believed that negative numbers were greater than infinity. II. The scientists believe that the lowest temperature attainable is about –273°C. At this temperature, the molecules and the atoms of a substance have the least possible energy. 11.4.2018
Show answer
1207