Data Interpertation & airthmatic

#wrong #series . (1) 200,100,150,377,1312.5,5906.25 (a) 150 (b) 377 (c) 1312.5 (d) 5906.25 (e) None of these (2) 290,216,153,99,54,18 (a) 290 (b) 216 (c) 153 (d) 54 (e) None of these (3) 12,18,32,50,80,122 (a) 12 (b) 18 (c) 32 (d) 50 (e) None of these (4) 11,19,32,52,84,127 (a) 32 (b) 52 (c) 11 (d) 84 (e) None of these (5) 21,42,65,90,127,146 (a) 21 (b) 65 (c) 90 (d) 127 (e) None of these (6) 4,9,17,34,58,85 (a) 17 (b) 34 (c) 9 (d) 85 (e) None of these (7) 50,25,25,50,300,1600 (a) 300 (b) 1600 (c) 50 (d) 25 (e) None of these

1) b 2) a 3) d 4) c 5) e 6) d 7) a

1) I. x¾/162 = x-¼/9 II. y2 = 1/7 of 2268 2) I. (49x²)½ – 133 = 0 II. (324𝑦²)½ – 126 = 0 3) I. x³/² – 9/x½ = 0 II. y2 – 7y + 12 = 0 4) I. 3x2 + 17x + 10 = 0 II. 10y2 +9y + 2 = 0 5) I. 7x + 13/x = 20 II. 3y2 – 2y – 21 = 0 6) I. x2 + 47x + 552 = 0 II. y2 + 45y + 506 = 0 7) I. 5/6 – 17/24 = x/120 II. y½/6 + y½ = 168/y³/²

#quadratic #equations A. If x>y B. If x>=y C. If x<y D. If x<=y E. If x=y or relationship cannot be established

(1) b (2) c (3) a (4) d (5) c (6) c (7) b

(7) P and can do 16.66% of work in 5 days which is 3 days less than time taken by Q to do 25% of the work. They started working on alternate days starting with A. In how many days the work would be completed? (a) 29(5/17) days (b) 30(15/16) days (c) 32(16/17) days (d) 33(13/16) days (e) None of these

(6) 220 litres of mixture I (milk and water) contains 30% water. 300 litres of mixture II (milk and water) contains 60% milk. Mixture I and II along with 20 litres of milk and 34 litres of water are mixed in a container X. Find the ratio of water to milk in container X. (a) 120 : 417 (b) 177 : 110 (c) 110 : 177 (d) 111 : 121 (e) None of these

(5) Ratio of the present ages of X, Y and Z is b : (2b – 3) : 8 respectively and sum of their ages is 100 years. If the present age of C is 40 years, then what will be the age of X after 12 years? (a) 25 years (b) 35 years (c) 37 years (d) 40 years (e) None of these

(4) The difference of time taken by a boat while going upstream and while going downstream, and covering the same distance of 350 km, in both cases is 4 hours. What is the speed of the boat in still water if the speed of current is 5 Km/hour? (a) 35 km/hour (b) 40 km/hour (c) 25 km/hour (d) 30 km/hour (e) None of these

(3) A sum of Rs 1080 is divided among Rajesh, Mukesh and Naresh such that the share of Rajesh is 1/3 of the sum of shares of Mukesh and Naresh and the share of Mukesh is half of the sum of shares of Rajesh and Naresh, then the share of Mukesh is: (a) Rs 360 (b) Rs 320 (c) Rs 480 (d) Rs 600 (e) None of these

(2) The average of the first, second and third of four numbers is 72 more than the average of the second, third and fourth of these numbers. What is the first number if the average of first and fourth number is 408? (a) 520 (b) 508 (c) 516 (d) 524 (e) None of these

(1) Rs 20000 is invested in each of the two schemes “X” and “Y” for 2 years. Both schemes offer interest at the rate of 6% per annum. If the difference between interests received from two schemes is Rs “z” then find the value of of “z”. The interest in scheme “X” offers simple interest while the interest in scheme “B” compounds annually. (a) 84 (b) 72 (c) 60 (d) 96 (e) None of these

85.04 ÷ 4.97 = ? ÷ 12.99 A. 304 B. 291 C.120 D.117 E. 221

139.96 x 3.02 - 111.97 x 2.032 = ? A. 170 B. 196 C.330 D.150 E. 280

16.05 x 7.99 - 42.02 = ? A. 140 B. 75 C.86 D.110 E. 150

111.01 - 211.09 + 12.01² = ? - 4.09² A. 45 B. 35 C.60 D.85 E. 75

3.07 x 14.96 + 15.02² - 11.03² = ? A. 101 B. 149 C.133 D.120 E. 130

9.99² + 13.03 x 3.98 - 5.01³ = ? - 120 A. 130 B. 124 C.147 D.167 E. 132

14.03 + 28.02² ÷ 6.98 + 3.96² = ? A. 120 B. 142 C.152 D.132 E. 11

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