Data Interpertation & airthmatic

#wrong #series 1. 124, 121, 115, 104, 79, 31 (a) 104 (b) 115 (c) 121 (d) 79 (e) None 2. 14, 84, 28, 168, 57, 336 (a) 168 (b) 57 (c) 28 (d) 336 (e) None 3. 9, 13, 22, 46, 96, 217 (a) 13 (b) 96 (c) 22 (d) 46 (e) None 4. 12, 32, 59, 94, 134, 182 (a) 134 (b) 59 (c) 94 (d) 12 (e) None 5. 31, 36, 61, 186, 812, 3936 (a) 61 (b) 812 (c) 186 (d) 36 (e) None 6. 18, 108, 90, 539, 522, 3132 (a) 522 (b) 108 (c) 3132 (d) 539 (e) None 7. 4, 1335, 2064, 2407, 2532, 2560 (a) 2560 (b) 4 (c) 2407 (d) 2532 (e) None 8. 8, 18, 31, 48, 67, 90 (a) 67 (b) 18 (c) 8 (d) 90 (e) None 9. 23, 32, 45, 63, 83, 103 (a) 83 (b) 32 (c) 103 (d) 63 (e) None 10. 3, 22, 126, 630, 2520, 7560 (a) 22 (b) 127 (c) 3 (d) 630 (e) None

A. if x>y B. if x≥y C. if x

10.) I. x2 + x – 20 =0 II. 2y2 – 19y + 45 =0

9.) I. 7x2 – 54x + 99 =0 II. 4y2 – 16y + 15 =0

8.) I. 3x – y = 12 II. y = ²√𝟏𝟎𝟖𝟗

7.) I. x = ⁴√𝟐𝟒𝟎𝟏 II. 2y2 – 9y – 56 =0

6.) I. 5x2 – 16x + 11 =0 II. 5y2 – 3y – 2 =0

5.) I. 7x – 3y = 13 II. 5x + 4y = 40

4.) I. 8x2 – 15x + 7 =0 II. 2y2 – 7y + 6 =0

3.) I. 3x2 – 4x – 4 =0 II. 4y2 + 23y + 15 =0

2.) I. x2 – 21x + 104 =0 II. y2 – 28y + 195 =0

1.) I. 2x2 – 23x + 21 =0 II. 3y2 – 19y + 28 =0

Q10.) Shruti bought a scooty at 10% discount on MRP. After a year Shruti sells the scooty to Nikita at 5% loss. After another year Nikita sells the scooty at 10% profit to Amit. If Amit paid ₹56430, then find the MRP of scooty. (in ₹) A. 60000 B. 72000 C. 52000 D. 45000 E. None of these

9.) The average monthly income of five earning members of a family is ₹7550. One member passes away and the average monthly income becomes ₹7050. What was the monthly income of the person who is no more? A. ₹10500 B. ₹8200 C. ₹9550 D. ₹9100 E. ₹8750

Q8.) If a son is one-third the age of his father now and was one-fifth the age of his father 6 years ago, then how old will his father be 4 years hence? (in years) A. 60 B. 52 C. 35 D. 40 E. None of these

Q7.) Suresh buy two chairs for ₹1260. He sell one so as to lose 5% and the other so as to gain 10%. On the whole transaction he neither lose nor gain. What did each chair cost? A. ₹540, 720 B. ₹420, 840 C. ₹590, 670 D. ₹350, 910 E. None of these

Q6.) A man can row 25 km upstream and 40 km downstream in 9 hours. Also, he can row 35 km upstream and 50 km downstream in 12 hours. Find the rate of current and the speed of the man in still water. A. 8 km/hr B. 7.5 km/hr C. 12 km/hr D. 7 km/hr E. 6.5 km/hr

Q5.) A train 'A', which is 150m long, can cross a platform, which is 100m long, in 10 seconds. The ratio of the speed of train A to that of train B is 3:2. Find the length of train B if it can cross a pole in 6 seconds. A. 60m B. 40m C. 55m D. 35 m E. None of these

Q4.) The sum of the volume of a cylinder and the volume of a cone is 343π cm³. The height of the cylinder and the cone are 3 cm each respectively. If the radius of the cone is 10 cm, then what is the ratio of the radius of the cylinder to the radius of the cone? A. 5:3 B. 11:15 C. 7:11 D. 9:10 E. 2:7

Q3.) Five times of the sum of 'x' and (x-7.72) is ₹445.6. Find the approximate value of 'x'. B. 46.42 C. 48.42 D. 32.42 E. 52.24