If the cost of 500 articles is r rupees, how many of the articles can be bought for x rupees?
Rx/500
500/rx
500г/х
500x/r
42.
. A man buys oranges at the rate of 6 for 5p and sells them at the rate of 5 for G.P. How much does he gain per cent?
42%
44%
39%
40%
43.
Rs. 49 were divided among 150 children, each girl has 50 paisas and each boy 25 paisas. How many boys were there:
106
104
90
87
44.
If 2x+y=8 And : x-y-1 Then x=?
6
9
3
15
45.
If mangoes be bought at the rate of 14 for a rupee. How many must be sold for a rupee to gain 40 per cent profit
40
30
20
10
46.
if (2+3)(1+x)=25 Then x:
4
5
6
7
47.
A group of 15 students took a test that was scored from 0 to 100. If exactly ten students scored 75 or more in the test, what is the lowest possible value for average of the scores of all 15 students:
30
40
50
60
48.
Which of the following represents the product of two consecutive integers?
n^2+n
n^2
n+1
n
49.
If n is integer, which of the followings must be even: 2m, 2n+n, 2nxn:
3 only
1 only
1 and 2 only
1 and 3 only
50.
A walks 5 miles in 1 1/2 hours, and 'B' walks 440 yards in 5 minutes. Find the ratio of their speed: