Question: The roots of the equation 3x2– 12x + 10 = 0 are?
- 1. rational and unequal
- 2. complex
- 3. real and equal
- 4. irrational and unequal
Question: Find the roots of the quadratic equation: 2×2 + 3x – 9 = 0?
- 1. 3, -3/2
- 2. 3/2, -3
- 3. -3/2, -3
- 4. 3/2, 3
Question: Find the roots of the quadratic equation: x2 + 2x – 15 = 0?
- 1. -5, 3
- 2. 3, 5
- 3. -3, 5
- 4. -3, -5
Question: A bag contains 1 rupee, 2 rupee and 5 rupee coins amounting to Rs.264. If the ratio of the number of these coins is 3:5:4, find the number of 1 rupee coins.
- 1. 66
- 2. 48
- 3. 24
- 4. 8
Question: Divide Rs.2000 into two shares in the ratio 3:2.
- 1. Rs.1200,Rs.800
- 2. Rs.800,Rs.1200
- 3. Rs.1500,Rs.500
- 4. Rs.1100, Rs.900
Question: The ratio of two numbers is 5:9. If each number is decreased by 5, the ratio becomes 5:11. Find the numbers.
- 1. 30, 19
- 2. 21, 37
- 3. 15, 34
- 4. 15, 27
Question: The third proportional to 3.5, 5.6 is:___________?
- 1. 8.96
- 2. 8
- 3. 4.5
- 4. 6.2
Question: According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?
- 1. 360
- 2. 380
- 3. 375
- 4. 400
Question: X, Y and Z are quantities of the same kind such that X:Y=5:8 and Y:Z=4:7. Find X:Z.
- 1. 32:35
- 2. 67:56
- 3. 5:14
- 4. 5:7
Question: Two kinds of rice, 1st costs Rs.13 per kg and 2nd costs Rs.19 per kg are mixed together. Find the ratio in which the 2 types are mixed so that the mixture costs Rs.14.2 per kg?
- 1. 3:1
- 2. 4:1
- 3. 3:4
- 4. 4:3