If a, b and c are different integers such that a < b < c < 0, then which of the following statements is true?
a + c < b
ab < c
a + b > c
ac > ab
In standard form, the number 829030000 is expressed as k x 10n. The value of k + n is
90.903
16.2903
15.2903
91.903
LCM of two prime numbers x and y, ( x > y), is 161. The value of 3y-x is
2
-2
-5
62
B.
-2
Let the two prime numbers be x and y
LCM of the two numbers: 161
xy = 161 [ The LCM of the two prime number will be their product since they will not have any common factor ]
Now 161 = 23 x 7
3y - x = 3x7 - 23
= 21-23
= -2
A has 20% more money than B and C has 20% less money than B. What percent more money does A have than C?
30
50
17
43