Q1) C can do a piece of work in 10 days and D in 15 days. In how many days can C and D finish the work, working together? 1) 5 days 2) 25 days 3) 6 days 4) 14 days Q2) Train of length 270 m moving at a speed of 36 km/hr. Find the time taken by the train to cross a platform of length 150 m. 1) 20 sec 2) 13.5 sec 3) 6 sec 4) 21 sec Q3) There are 3 bags A, B and C. Bag A contains 4 red balls and 6 green balls. Bag B contains 3 red balls and 5 green balls. Bag C contains 5 red balls and 4 green balls. 3 balls are drawn one from each of the bags. What is the probability that out of the three balls drawn, two are red and one is green? 1) 1/15 2) 119/360 3) 56/81 4) 1/3 Q4) In how many ways can 6 people be seated on a bench? 1) 720 2) 360 3) 5040 4) 2520 Q5) Find the minimum value of y2 + 8y + 13 1) -4 2) 13 3) 0 4) -3 Q6) Find the units place of 12783571. 1) 2 2) 6 3) 8 4) 4 Q7) What is the sum of even natural numbers up to 100. 1) 2500 2) 2550 3) 5050 4) 5000 Q8) Niku writes number from 172 to 315 on his copy. How many times has Niku used the digit 7. 1) 14 2) 10 3) 24 4) 18 Q9) Solve 1) 3 2) 5/3 3) 4/3 4) 5/2 Q10) What is the number of squares on a chessboard? 1) 285 2) 140 3) 204 4) 64 1) 3 2) 4 3) 2 4) 1 5) 4 6) 1 7) 2 8) 3 9) 2 10) 3
3) P(Required) = R.R.G + R.G.R + G.R.R
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