A mixture of 40 litres of milk and water contains 10% water.How much water should should be added to this so that water may be 20% in the new mixture?
5 litres
4 litres
6.5 litres
7.5 litres
What percent of 7.2kg is 18gms?
25%
2.5 %
0.25%
.025%
If 11% of a number exceeds 7% of the same by 18 the number is
72
720
360
450
The cost price of an article is 40% of the selling price.The percent that the selling price of the cost price is
40
60
240
250
A owns a house worth Rs.10000 he sells it to B at a profit of 10% based on the worth of the house b sells the house back to A at a loss of 10%.In this transaction A gets.
a profit of 2000
a profit of Rs.1,100
a profit of 1,000
no profit no loss
p is six times as large as q.The percent that q is less than p,is
16 2/3
90
83 1/3
In an examination 70% candidates passed in English and 65% in Mathematics If 27% candidates failed on both the subjects and 248 passed the examination,the total number of candidates was
400
348
420
484
37 1/2% of Rs.450 = ?
Rs.168
Rs.168.75
Rs.169
none of these
40% of 70 = 4 * ?
28
280
7
70
If the diameter of a circle is increased by 100% its area is increased by
300%
200%
100%
400%