Two rational numbers between 23 and 53 are :
Two rational numbers between 23 and 53 are
(a)16 and 26 (b)12 and 21 (c)56 and 76 (d)23 and 43
The medians for the first 7 natural numbers (1, 2, 3, 4, 5, 6, 7) and the first 6 natural numbers (1, 2, 3, 4, 5, 6) respectively are _____ .
Question 6
Which of the following expressions show that rational numbers are associative under multiplication. (a) 23×(−67×35)=(23×−67)×35 (b) 23×(−67×35)=23×(35×−67) (c) 23×(−67×35)=(35×23)×−67 (d) (23×−67)×35=(−67×23)×35
Add using number line:
(1) 5 and 3
(2) 6 and 2
(3) (−3) and (+5)
(4) 8 and (−12)
(5) (−7) and 5
(6) 10 and (−14)
(7) (−5) and (−2)
(8) (+6) and (−9)
(9) (−4) and (−1)
(10) 1 and (−5)