A. 3:1
B. 8:1
C. 9:1
D. 12:1
a1 : a2 = 3 : 1
6 a12 : 6 a22 = 9: 1
A. Rs.6620
B. Rs.6500
C. Rs.6800
D. Rs.6400
Explanation:
A = 20000(11/10)3
= 26620
= 20000
———-
6620
A. 9:1
B. 3:1
C. 3:4
D. 1:3
A. 1.09%
B. 10.9%
C. 109%
D. None of these
A. 6%
B. 5%
C. 7%
D. 8%
1. To find the interest, subtract the principal from the balance.
$618 – $600 = $18
2.Use the simple interest formula and solve for r.
I = Prt
18= 600 x r x (1/2)
r= 0.06 =6%
A. 1/455
B. 2/455
C. 1/91
D. 4/455
Explanation:
Given that there are three blue marbles, four red marbles, six green marbles and two yellow marbles.
Probability that all the three marbles picked at random are blue = ³C₃/¹⁵C₃ = (1 * 3 * 2 * 1)/(15 * 14 * 13) = 1/455
A. Rs.10
B. Rs.2
C. Rs.5
D. Rs.3
Explanation:
1250 = D(100/4)2
D = 2