SSC Practice Problem

SSC Practice Problem

1. In a mixture of 25 liters, the ratio of milk to water is 4:1. Another 3 liters of water is added to the mixture. The ratio of milk to water in the new mixture is
1. 5:1
2. 5:2
3. 5:3
4. 5:4
2. The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:
1. 620
2. 630
3. 640
4. 625
3. The value of (sec245 - cot245) - (sin230 + sin260) is 
1. 1
2. 2√3
3. 0
4. 1/√2
4. ∆ABC and ∆DEF are two similar triangles and the perimeter of ∆ABC and ∆DEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is
1. 60 cm
2. 40 cm
3. 45 cm
4. 50 cm
5. The angle of elevation of a ladder leaning against a wall is 60 degrees and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is 
1. 2.3 m
2. 4.6 m
3. 9.2 m
4. 7.8 m
6. The diagonals of two squares are in the ratio 5:2.The ratio of their area is
1. 5:6
2. 25:4
3. 5:4
4. 125:8
7. Area of the circle inscribed in a square of diagonal 6√2 cm (in sq. cms) is 
1. 9 Π
2. 6 Π
3. 3 Π
4. 9√2 Π

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