IBPS Government Jobs Exams Numerical Ability Ratio and Proportion

The ratio of the number of students studying in school A, B and C is 5 : 8 : 4 respectively. If the number of students studying In each of the school is increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students In school A, B and C?
(1)13:25:15 (2)20:25:13 (3)15:25:13 (4)Cannot be determined (5) None of these

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IBPS Other Question

There are 5 red bikes, x blue bikes and y black bikes in a showroom. The probability that a blue bike is selected for test drive is 7/24 while the probability that a black bike is selected for test drive is ½. Find the value of (x – y + x * y).
A) 81 B) 79 C) 82 D) 78 E) 83 The ratio between the three angles of a quadrilateral is 1:4:5 respectively. The value of the fourth angle of the quadrilateral is 60°. What Is the difference between the value of the largest and the smallest angles of the quadrilateral?
(1)120° (2)90° (3)110° (4)100° (5) None of these