What percent of 2/7 is 1/35?
25%
2.5%
1000%
10%
The inverse ratio of 11 : 15 is
15 : 11
√11 : √15
121 : 225
1/11 : 1/15
In an examination 93% of students passed and 259 failed. The total number of students is
500
3700
3950
4000
If 70% of the students in a school are boys and the number of girls be 504 , the number of boys is
1176
1008
1208
3024
The mean proportional between the numbers 8 and 18 is
13
32/9
12
9/32
The fourth proportional to numbers 8 , 12 and 18 is
22
24
27
30
The third proportion to numbers 0.8 and 0.2 is
0.8
0.05
0.032
0.048
The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between them becomes 5 : 7. What are the numbers?
15 and 28
16 and 24
18 and 32
19 and 36
In 7 : 9 , the consequent is
7
9
7/9
7 × 9
By how much percent is four - fifth of 70 lesser than five - seventh of 122?
42%
30%
24%
36%
