11) A mixture of 729 mL contains milk and water in the ratio 7 : 2. How much more water is added to get a new mixture containing milk and water in the ratio 7 : 3 ?
a) 81 mL
b) 72 mL
c) 80 mL
d) 78 Ml
12) If there are Rs 495 in a bag in denominations of one-rupee, 50 paisa and 25 paisa couns, which are in the ratio 1 : 8 : 16. How many 50 paisa coins are there in the bag ?
a) 50
b) 220
c) 440
d) None of these
13) Divide 170 into three parts such that the first part is 10 more than the second and its ratio with third part is 2 : 5.
a) 22 : 35 : 113
b) 35 : 55 : 80
c) 40 : 30 : 100
d) 35 : 65 : 70
14) The ratio of money with Ram and Rahul is 7 : 17 and that with Rahul and Ajay is 7 : 17. If Ram has Rs 490, Ajay has
a) Rs 2890
b) Rs 2330
c) Rs 1190
d) Rs 2680
15) A bag contains an equal number of one rupee, 50 paisa and 25 paisa coins respectively. If the total value is Rs 35, how many coins of each type are there ?
a) 20
b) 16
c) 18
d) 25
16) The monthly salary of A,B,C are in the ratio of 2 : 3 : 5 If C’s monthly salary is Rs 1200 more than that of A, then B’s annual salary is
a) Rs 14400
b) Rs Rs 24000
c) Rs 1200
d) Rs 2000
17) A dog pursues a cat and takes 5 leaps for every 6 leaps of the cat, but 4 leaps of the dog are equal to 5 leaps of the cat. Compare the speeds of the dog and the cat.
a) 15 : 22
b) 9 : 25
c) 25 : 21
d) 25 : 24
18) The ratio of the ages of A and B is 5 : 7 If the difference between the present age of B and that of A,6 yr hence is 2, then what is the total of present ages of A and B ?
a) 48 yr
b) 52 yr
c) 56 yr
d) None of these
19) Gold is 19 times as heavy as water and copper 9 times as heavy as water. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water ?
a) 2 : 5
b) 2 : 3
c) 3 : 1
d) 3 : 2
20) A ratio equivalent to 3 : 7 is :
a) 3 : 9
b) 6 : 10
c) 9 : 21
d) 18 : 49
All The Best!!