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RATIO – PROPORTION 1) If a: b=3:4 and b: c=5:7, find the ratio of a: b: c 1. 20:15:28 2 .15:20:28 3.16:20:29 4.15:20:24 (2) Find the third proportional to 16 and 4 (1) 0 2.1 3.2 4.3 (3) Find the mean proportional of 8 and 32 1 16 2.17 3.18 4.19 (4) Find the fourth proportional to 3, 8, 12 (1) 30 3.31 3.32 4.33 (5) What least number is added to each one of 6, 14, 8, 18 to make them in proportional? 1.12 2.3 3.4 4.1 (6) A sum of money is divided so that the sum of the shares A and B, B and C and C and A are respectively Rs12, Rs.14 and Rs.16. What is B’s share? 1)5 2.7 3.9 4.21 (7) Two whole numbers whose sum is 64 cannot be in the ratio 1. 3:5 2.9 3.7 4.4 (8) Find the duplicate ratio of 3:4 6:9 9:16 4:9 none (9) Find the triplicate ratio of 2:5 1.125:8 50:125 8:125 none (10) The sub-duplicate ratio of 25:36 (1) 5:6 (2) 6:5 (3) 10:3 (4) none (...

DATA SUFFICIENCY – 2 Directions for the questions 1 to 20 The questions based on the data given below. If only Data 1 is sufficient to solve then Ans (1) If only Data 2 is sufficient to solve then Ans (2) If both Data 1 and Data2 are individually sufficient then Ans (3) If both Data 1 and Data2 are required then Ans (4) If both Data’s are not sufficient then Ans (5) What is the value of two-digit number? Data 1: sum of the digits is 4 Data 2: product of the digits is a perfect square (1) 1 (2) 2 (3) 3 (4) 4 (5) 5 How many people heard Raman’s joke? Data 1: Raman told the joke to 4 friends, each of whom repeated it to 4 friends who did not tell anybody else. Data 2: No one heard the joke twice. (1) 1 (2) 2 (3) 3 (4) 4 (5) 5 Is 500 the average score in the GMAT? Data 1: Half of the people who take the GMAT score above 500 and ha...

DATA INTERPRETATION – 1 Directions(Q 1 – 5): These questions are based on the following table. PARTY / YEAR 1985 1990 1995 2000 2005 2010 A 20 60 50 40 35 26 B 200 160 180 220 224 140 C 80 70 60 40 31 108 D 35 50 40 20 25 36 E 15 10 20 30 35 10 What percentage of seats did party B get in 2005 ? (1) 70 (2) 64 (3) 68 (4)62 What percentage of growth did the party D gain in 2010 over the previous election? (1) 40 (2) 42 (3) 44 (4) ...

AGES The ratio of the number of girls to that of boys in a class is 2:3. If the average weight of the boys in the class is 40 kg and that of the class is 38 kg. Find the average weight of the girls. a) 35 kg b) 36 kg c) 38 kg d) 34 kg The average of A,B and C is 20. A is as much more than the average as B is less than the average. Find C a) 15 b) 30 c) 25 d) 20 The average of 71 numbers is 48. If the average of the first 59 is 46 and that of the last 11 is 52. Find the 60 th number? a) 112 b) 132 c) 142 d) 122 The average age of PQRS. 5 years ago, was 45 yrs. By including T, the present average age of 5 people is 49 years. Find the age of T, 5 years hence. a) 40 yrs b) 50 yrs c) 55 yrs d) 60 yrs If a+b = 3 (c+d), which of the following is the average of a,b,c and d? a) b) c) c + d d) Four years ago the average age of A and B was 19 years with C joining them, now t...

Averages 1. The average monthly salary of 20 employees in an organization is Rs.1500. If the manager’s salary is added, then the average salary increases by Rs.100. What is the manager’s monthly salary? (1) Rs: 3,500 (2) Rs: 3,600 (3) Rs: 3,800 (4) Rs: 3,900 2. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 81 and the dullest 25% a mean score of 31. The mean score of remaining 55 is? (1) 45 (2) 50 (3) 51 (4) 54 3. A batsman makes a score of 64 runs in the 16 th innings and thus increased his average by 3. Find his average after the 16 th inning (1) 18 (2) 17 (3) 19 (4) 16 4. Twelve years ago, the average age of a husband and his wife was 20years. The average is same today, when they have two children. What is the present age of the youngest child if they differ in age by 2years? ...