If of the liquid contents of a can evaporates on the first day and of the remainder evaporates on the second day, the fractional part of the original contents remaining at the close of the second day is -
A snapshot measures It is to be enlarged so that the longer dimension will be 4 inches. The length of the enlarged shorter dimension will be -
3 inches
A zoo has 4 times as many gorillas as tigers. There are 4 more tigers than there are zebras at the zoo. If z represents the number of zebras, in terms of z, how many gorillas are in the zoo ?
4z + 3
z + 4
z + 8
4z +16
Mr. Sharma rents a car for d days. He pays p rupees per day for each of the first 7 days, and half that rate for each additional day. Find the total charge if d > 7.
If 2m =4x and 2w =8x, what is m in terms of w ?
w - 1
w + 2
2w - 3
2w + 1
If 3 x +2 y = 5 a + b, and 4 x - 3 y = a + 7 b, then x is equal to -
a + b
a - 2 b
2 a + b
5 a - 6 b
If m = n and p < q, which of the following must be true ?
m - p > n - q
p - n > q - m
m - p < n - q
m + p > n + q
The average of three numbers is 15. What is two times the sum of the three numbers ?
18
15
90
45
Let be defined for all numbers a,b,c, and d by = ac - bd. If x = , what is the value of ?
0
2
12
24
