Elearning , Interview Questions And Answers

Google

If all the picture cards are removed from a pack of cards, the sum of the values of the remaining is a) 55 b) 220 c) 54 d) 216 What is the min. no. of weighing operations required to measure 31 kg of rice if only one stone of 1 kg is available? a) 31 b) 6 c) 5 d) 16 The ratio of the no. of white balls in a bag to that of black balls is 1:2. If 9 grey balls are added the ratio of nos. of white, black and grey become 2:4:3. How many black balls were in the bag? a) 6 b) 9 c) 12 d) 8 There are 2 toy cars facing each other at a distance of 500 cm from each other. Each car moves forward by 100 cm at a speed of 50 cm/s and then moves backward by 50 cm at a speed of 25 cm/s. How long will it take for the cars to collide? a) 12s b) 14s c) 16s d) 13s It takes 8, 12 and 16 days for A,B and C resp. to complete a task. How many days will it take if A works on the job for 2 days then B works on it until 25% of the job is left for C to do, and C completes the work? a) 10 days b) 14 days c) 13 days d) 12 days A and B run in opposite directions from a pt. P on a circle with different but constant speeds. A runs in clockwise direction. They meet for the first time at a distance of 900 m in clockwise direction from P and for the second time at a distance of 800 m in anticlockwise direction from P. If B is yet to complete one round, the circumference of the circle is a) 1700m b) 1250m c) 1300m d) 1200m Bird A starts flying from P to Q at 9.00 A.M. and bird B starts flying from Q to P at 10.00 A.M. B is 50% faster than A. What is the time at which they meet if P and Q are 300kms apart and A's speed is 50kmph. a) 12 noon b) 12.30pm c) 11.30am d) 11.00am There are 6 cities, of which each is connected to every other city. How many different routes can one trace from A to B, such that no city is touched more than once in any one route a) 48 b) 60 c) 65 d) 72 In a group of 80 coins, exactly one is counterfeit and weighs less than the others. U are provided a scale to weigh to coins. The min. no. of weightings req. to determine the counterfeit coin is a) 4 b) 1 c) 5 d) none of these Directions for questions 19 to 23 Mark a if the ans. Can be obtained using 1 and 2 independently Mark b if the ans. Can be obtained by using only one of the two statements. Mark c if the ans. Can be obtained by using both statements 1 and 2 but not either of them alone. Mark d if the ans. Cannot be obtained by using 1 and 2 What is the selling price of product X Profit as a % sales is 10%, cost price is Rs.27 Profit as % sales is 20%, cost price is Rs.20