10 workers complete a job in 8 days. In how many days can 16 workers complete it ?
16
80
5
10
If 7 : x = 35 : 20, then what is x ?
4
21
7
35
If 8 : 12 = 12 : k, then what is k?
12
8
18
A profit of Rs.1581 is to be divided amongst three partners A, B and C in the ratio 1/3 : 1/2 : 1/5. The share of C will be
Rs.255
Rs.306
Rs.408
None of these
If a ratio which is equal to 7 : 8, if the antecedent is 35, What is the consequent?
40
The price of 8 books is Rs.300, What is the price of 18 books?
675
31
14
81
The three angles of a triangle are in the ratio 1 :3 : 5 then the smallest angle is:
60°
100°
20°
10°
The sides of a triangle are in the ratio 3 : 4 : 5. If the perimeter is 24 cm. What is the length of largest side?
24 cm
10 cm
4 cm
5 cm
If 3, 4, x, 9 are in inverse proportion then x is
20
9
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?
2 : 5
3 : 7
5 : 3
7 : 3