Find the sum:
ThHTO4915+3030
First, add ones 5+0=5
Next, add tens 1+3=4
Next, add hundreds 9+0=9
And finally add thousand 4+3=7
So we get,
ThHTO4915+30307945
Evaluate : (i) 59+−76(ii) 4+3−5(iii) 1−15+5−12(iv) 59+3−4(v) −89+−512(vi) 0+−27(vii) 5−11+0(viii) 2+−35(ix) 4−9+1
Find the roots of the following equations
(1) x(x − 3) = 0
(2) a(a + 5) = 0
(3) m2 − 4m = 0
(4) 3k2 + 6k = 0
(5) (y + 6) (y + 9) = 0
(6) (b − 3) (b − 5) = 0
(7) (2n + 1) (3n − 2) = 0
(8) (5z − 2) (7z + 3) = 0