Check whether the value given in the brackets is a solution to the given equation or not: (a) n+5=19(n=1) (b) 7n+5=19(n=-2) (c) 7n+5=19(n=2) (d) 4p-3=13(p=1) (e) 4p-3=13(p=4) (f) 4p-3=13(p=0)
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation. (a) 5 = 60 (10 , 5, 12, 15) (b) n + 12 = 20 (12, 8, 20, 0) (c) p - 5 = 5 (0, 10, 5 - 5) (d) q/2 = 7 (7, 2, 10, 14) (e) r - 4 = 0 (4, -4.8.0) (f) x + 4 = 2 (- 2, 0, 2, 4)
If the distance between the points (4,\ p) and (1,\ 0) is 5, then p= (a) +-4 (b) 4 (c) -4 (d) 0
If . ^(28)C_2p=^24C_(2p-4) then (A) p=4 (B) p=7 (C) p=14 (D) none of these