Welcome to Second Stage of your Interview Qualifying Test - Logical Reasoning - Developer

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1) A bus runs at 80 km/hr top speed and is carrying a maximum of 8 persons. If speed of bus decreases in fixed proportion with increase in number of person, find speed when four person are traveling in bus.
2) A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened. A club member knocked on the door and the doorman said, "twelve." The member replied, "six" and was let in. A second member came to the door and the doorman said, "six." The member replied, "three" and was let in. The man thought he had heard enough and walked up to the door. The doorman said, "four" and the man replied, "two". But he was not let in. What should have he said?
3) The sum of ages of 5 children born at the intervals of 8 years each is 120 years. What is the age of the youngest child?
4) In the middle of a round pool lies a beautiful water-lily. The water-lily doubles in size every day. After exactly 100 days the complete pool will be covered by the lily. After how many days will half of the pool be covered by the water-lily?
5) A snail is at the bottom of a 38 meters deep pit. Every day the snail climbs 7 meters upwards, but at night it slides 4 meters back downwards. How many days does it take before the snail reaches the top of the pit?
6) DIRECTIONS for Questions 6 to 8: Answer the questions on the basis of the information given below

Rang Barsey Paint Company (RBPC) is in the business of manufacturing paints. RBPC buys RED, YELLOW, WHITE, ORANGE, and PINK paints. ORANGE paint can be also produced by mixing RED and YELLOW paints in equal proportions. Similarly, PINK paint can also be produced by mixing equal amounts of RED and WHITE paints. Among other paints, RBPC sells CREAM paint, (formed by mixing WHITE and YELLOW in the ratio 70:30) AVOCADO paint (formed by mixing equal amounts of ORANGE and PINK paint) and WASHEDORANGE paint (formed by mixing equal amounts of ORANGE and WHITE paint). The following table provides the price at which RBPC buys paints.

The cheapest way to manufacture AVOCADO paint would cost
7) WASHEDORANGE can be manufactured by mixing
8) Assume that AVOCADO, CREAM, and WASHEDORANGE each sells for the same price. Which of the three is the most profitable to manufacture?
9) DIRECTIONS for Questions 9 to11: Answer the questions on the basis of the information given below

Seven varsity basketball players (A, B, C, D, E, F, and G) are to be honoured at a special luncheon. The players will be seated on the dais in a row. A and G have to leave the luncheon early and so must be seated at the extreme right. B will receive the most valuable player's trophy and so must be in the centre to facilitate presentation. C and D are bitter rivals and therefore must be seated as far apart as possible.

Which of the following cannot be seated at either end?
10) Which of the following pairs cannot be seated together?
11) Which of the following pairs cannot occupy the seats on either side of B?
12) DIRECTIONS for Questions 12 to 15: In each question there are two statements: A and B.

Choose 1. if the question can be answered by one of the statements alone but not by the other.
Choose 2. if the question can be answered by using either statement alone.
Choose 3. if the question can be answered by using both the statements together but cannot be answered using either statement alone.
Choose 4. if the question cannot be answered even by using both the statements A and B.

F and M are father and mother of S, respectively. S has four uncles and three aunts. F has two siblings. The siblings of F and M are unmarried. How many brothers does M have?

A)    F has two brothers.                B)     M has five siblings.
13) A game consists of tossing a coin successively. There is an entry fee of Rs. 10 and an additional fee of Re. 1 for each toss of the coin. The game is considered to have ended normally when the coin turns heads on two consecutive throws. In this case the player is paid Rs. 100. Alternatively, the player can choose to terminate the game prematurely after any of the tosses. Ram has incurred a loss of Rs 50 by playing this game. How many times did he toss the coin?

A)  The game ended normally.
B)  The total number of tails obtained in the game was 138.
14) Each packet of SOAP costs Rs 10. Inside each packet is a gift coupon labeled with one of the letters S, O, A, and P. If a customer submits four such coupons that make up the word SOAP, the customer gets a free SOAP packet. Ms. X kept buying packet after packet of SOAP till she could get one set of coupons that formed the word SOAP. How many coupons with label P did she get in the above process?

A)   The last label obtained by her was S and the total amount spent was Rs 210.
B)   The total number of vowels obtained was 18.
15) If A and B run a race, then A wins by 60 seconds. If B and C run the same race, then B wins by 30 seconds. Assuming that C maintains a uniform speed what is the time taken by C to finish the race?

A)  A and C run the same race and A wins by 375 metres.
B)  The length of the race is 1 km

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