Multiple-choice Quiz
Q1: The sum of the squares of three consecutive odd numbers is 2531. The numbers are...
31,33,35
27,29,31
23,25,27
Q2: A fraction becomes 2/3 when 1 is added to both, its numerator and denominator. And ,it becomes 1/2 when 1 is subtracted from both the numerator and denominator. Find the fraction.
4/5
2/3
3/5
Q3: 50 is divided into two parts such that the sum of their reciprocals is 1/ 12.Find the two parts.
23 and 27
30 and 20
40 and 10
Q4: A number consists of two digits. The sum of the digits is 9. If 63 is subtracted from the number, its digits are interchanged. Find the number.
61
71
81
Q5: The ages of two persons differ by 16 years. If 6 years ago, the elder one be 3 times as old as the younger one, find their present ages.
14 and 30
12 and 28
22 and 38