Question: Find the number which when multiplied by 15 is increased by 196.

• 1. 14
• 2. 20
• 3. 26
• 4. 28

Question: The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :___________?

• 1. 20
• 2. 30
• 3. 40
• 4. None of these

Question: Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :___________?

• 1. 6
• 2. 12
• 3. 18
• 4. None of these

Question: If the sum of a number and its square is 182, what is the number ?

• 1. 15
• 2. 26
• 3. 28
• 4. 13

Question: The sum of two numbers is 25 and their differenee is 13. Find their product :

• 1. 104
• 2. 114
• 3. 315
• 4. 325

Question: If the sum of two numbers is 33 and their difference is 15, the smaller number is :__________?

• 1. 9
• 2. 12
• 3. 15
• 4. 18

Question: Find the roots of quadratic equation: 3x2– 7x – 6 = 0?

• 1. -6, 3
• 2. 3, -2/3
• 3. -5, 2
• 4. -9, 2

Question: Find the roots of quadratic equation: x2+ x – 42 = 0?

• 1. -6, 7
• 2. -8, 7
• 3. 14, -3
• 4. -7, 6

Question: Find the roots of quadratic equation: 2x2+ 5x + 2 = 0?

• 1. -2, -1/2
• 2. 4, -1
• 3. 4, 1
• 4. -2, 5/2

Question: I. a2– 13a + 42 = 0,II. b2– 15b + 56 = 0 to solve both the equations to find the values of a and b?

• 1. If a > b
• 2. If a ≥ b
• 3. If a < b
• 4. If a ≤ b.