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Q:

# A mixture contains liquid A and liquid B in the ratio of 5 : 4. If 2 litres of liquid B is added to it, then the ratio of liquid A and liquid B becomes 7 : 6. What is the quantity (in litres) of liquid A in the mixture?

 A) 32 B) 35 C) 40 D) 42

Explanation:
Q:

In an amalgam, mercury and silver are in the ratio of 3 : 7. In the second amalgam, the ratio of same elements is 1 : 9. If equal quantities of these two amalgam are mixed to form a new amalgam, then what will be the ratio of both of these elements in the new amalgam?

 A) 1 : 4 B) 7 : 81 C) 4 : 15 D) 2 : 7

Answer & Explanation Answer: A) 1 : 4

Explanation:

1 45
Q:

Abdul prepared 42 lts of medicine and filled it in bottles of 280 ml each. Find how many bottles would be required?

 A) 15 B) 1500 C) 150 D) 300

Explanation:

1 169
Q:

In what ratio must a mixture of 15% spirit strength be mixed with that of 25% spirit strength to get a mixture of 21% spirit strength?

 A) 1 : 3 B) 2 : 3 C) 3 : 4 D) 4 : 5

Answer & Explanation Answer: B) 2 : 3

Explanation:

1 152
Q:

The ratio of spirit and water in the two vessels is 5 : 1 and 3 : 7 respectively. In what ratio the liquid of both the vessels should be mixed such that a new mixture containing half spirit and half water is obtained?

 A)  3 : 5 B)  5 : 7 C) 3) 1 : 1 D)

Answer & Explanation Answer: A)  3 : 5

Explanation:

0 238
Q:

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

 A) 10 B) 15 C) 20 D) 25

Explanation:

1 215
Q:

A mixture of 240 litres of juice and water contains 15% water. How much more water (in litres) should be added to this so that the strength of water will become 25% in the new mixture?

 A) 28 B)  32 C)  26 D)  34

Explanation:

1 173
Q:

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

 A) 214 B) 424 C) 844 D) 1264

Explanation:

0 243
Q:

In a bucket, paint and oil are in the ratio 7 : 5. 24 litres of mixture is drawn off and 24 litres of oil is added. If the ratio of paint and oil becomes 1 : 1, then how many litres of paint was contained in the bucket initially?

 A) 49 B)  63 C)  84 D) 98