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Directions (1): In the following questions two equations numbered I and II are given. You have to solve both the equations
1. I. 3x2 – 19x + 28=0
x > y
x < y
x = y or the relationship cannot be established
2. The respective ratio between the present ages of son, mother, father and grandfather is 2:7:8:12. The average age of son and mother is 27 years. What will be mother’s age after 7 years?
None of these
3. In an examination, Raman scored 25 marks less than Rohit. Rohit scored 45 more marks than Sonia. Rohan scored 75 marks which is 10 more than Sonia. Ravi’s score is 50 less than maximum marks of the test. What approximate percentage of marks did Ravi score in the examination if he gets 34 marks more than Raman?
4. The largest and the smallest angles of a triangle are in the ratio of 3:1 respectively. The second largest angle of the triangle is equal to 44°. What is the value of 150 per cent of the largest angle of the triangle?
5. One of the angles of a quadrilateral is thrice the smaller angle of a parallelogram. The respective ratio between the adjacent angles of the parallelogram is 4:5. Remaining three angles of the quadrilateral are in ratio 4:11:9 respectively. What is the sum of the largest and the smallest angles of the quadrilateral?