Exams Solution

Ratio of speed of a boat in still water and speed of stream is 4 : 1. If the difference of the time taken by the boat in travelling 45 km upstream and downstream is 2 hours, then speed of the stream is A. 3 km/hr B. 2 km/hr C. 4 km/hr D. 5 km/hr E. 6 km/hr

Two pipes A and B can fill a tank in 24 minutes and 36 minutes. another pipe C can empty the filled tank in 18 minutes. All three pipes A, B and C are alternately open for 1 minute each in the empty tank such that pipe A is open first then pipe B and then pipe C. In what time the tank will be filled? A. 69 B. 67 C. 201 D. 203 E. 198

A and B can complete a work in 6 days. A, working alone can complete the same work in 9 days. In how many days, B alone can complete the 3/8 of the work? A. B. 9 C. D. E. 18 Two pipes A and B can fill a tank in 24 minutes and 36 minutes. another pipe C can empty the filled tank in 18 minutes. All three pipes A, B and C are alternately open for 1 minute each in the empty tank such that pipe A is open first then pipe B and then pipe C. In what time the tank will be filled? A. 69 B. 67 C. 201 D. 203 E. 198

56.A and B can complete a work in 6 days. A, working alone can complete the same work in 9 days. In how many days, B alone can complete the 3/8 of the work? A. B. 9 C. D. E. 18 57.Two pipes A and B can fill a tank in 24 minutes and 36 minutes. another pipe C can empty the filled tank in 18 minutes. All three pipes A, B and C are alternately open for 1 minute each in the empty tank such that pipe A is open first then pipe B and then pipe C. In what time the tank will be filled? A. 69 B. 67 C. 201 D. 203 E. 198 58.Ratio of speed

6. √784.01 × 7.142 + 351. 99 × 24. 98 % =? A. 320 B. 400 C. 240 D. 284 E. 450 7.15.332 – 12.94 2 + 22.062 – 35.65 = ? A. 720 B. 505 C. 402 D. 600 E. 300 8.24.002 × 14.005 – 7.775 × 5.964 = ? A. 400 B. 350 C. 288 D. 220 E. 150

4.7, 8, 18, 57, ?, 1165 A. 220 B. 224 C. 228 D. 232 E. 236 5.121, 123, 118, 128, ?, 137 A. 111 B. 115 C. 100 D. 105 E. 123

Direction: What should come in place of the question mark '?' in the following number series? 1. 14, 8, 9, 14.5, 30, ? A. 75 B. 76 C. 77 D. 78 E. 79 2.77, 85, 69, 101, 37, ? A. 100 B. 110 C. 140 D. 155 E. 165 3.20, 29, 54, 103, 184, ? A. 315 B. 310 C. 305 D. 300 E. 295

Previous years questions Direction: Study the information given below and answer the questions based on it. There are 8 friends A, B, C, D, E, F, G and H in a group. They have their birthdays in different months - April, June, July and August of the same year but not necessarily in the same order on different dates viz. 9th and 16th. E celebrates his birthday in the month which does not have 30 days. Only one person celebrates his birthday between E and G. C celebrates his birthday immediately before E. Only one person celebrates his birthday between C and F. D celebrates his birthday before G but not immediate of C and G. Only one person celebrates his birthday between D and A. H does not celebrate his birthday immediate of G. G does not celebrate his birthday in the month which has 30 days. A celebrates his birthday before D. D does not celebrate his birthday which has even number as the date of birth. B celebrates his birthday in the month of August but not immediately before or after G.

Direction: Study the following information and answer the given questions. In a family of three generations and eight members, K is married to T, who is the only son of S. M is married to P, who is the mother of Q. U, who is the sister-in-law of T, is married. T has no sibling. H is the only son of Q. S is a male person. 1.How is H related to M? A. Grandson B. Brother C. Father D. Grandfather E. None of the above 2.How many people are there in the third generation? A. 2 B. 3 C. 1 D. More than 3 E. None of the above 3. What is the ratio of the number of females to that of male members in the family? A. 5 : 3 B. 1 : 4 C. 1 : 1 D. 3 : 5 E. None of the above

Direction: In each of the questions given below, some statements are followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. 1. Statements: I. Only a few pink is white. II. Only White is black. Conclusions: I. All White being Pink is a possibility. II. Some Pink being Black is a possibility. A. Only conclusion I follows B. Only conclusion II follows C. Both conclusions I and II follow D. Neither conclusion I nor II follows E. Either conclusion I or II follows 2.Statements: Some Tables are Chairs. Some Sofa are Desks. No Chair is Desk. Conclusions: I. Some Chairs are not Sofa. II. All Chairs are Sofa. A. Only conclusion I follows B. Only conclusion II follows C. Both conclusions I and II follow D. Neither conclusion I nor II follows E. Either conclusion I or II follows