3/16
7/16
1 13/24
2 11/24
10 2/5
Correct answer is A
(216−123)÷223
= (136−53)÷83
= 36×38
= 316
Convert the decimal number 89 to a binary number
101101
111001
1001001
1001101
1011001
Correct answer is E
No explanation has been provided for this answer.
The 6th term of a G.P is −227 and its first term is 18. What is the common ratio?
-1/2
-1/3
1/4
2
3
Correct answer is B
a, ar, ar2, ar3, ar4, ar5
6th term = ar5 = −227
1st term = a = 18
=> ar5
= 18r5 =−227
r5 = −227∗18
→ −127∗9
r5 = −1243
r = 5√[−1243]
r = −13