Directions: The following series are based on a specific pattern. One number in the series is wrong. Find that odd one out. 20, 9, 6, 5, 8, 15 15 5 8 6 9 Option C Solution: 20*1-11=9 9*2-12=6 6*3-13=5 5*4-14=6 (8) 6*5-15=15. 12, 7, 11, 31, 142, 1145 31 11 1145 142 7 Option D Solution: 12 * 0.5 +…

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## Quantitative Aptitude: Number Series Set 69

15, 24, 38, ?, 81, 110 49 52 46 57 None Option D Solution: 15………. 24………. 38………. 57………. 81………. 110 ………. 9…….. 14…….. 19…….. 24…….. 29…….. ……………… 5 …….. 5…….. 5 …….. 5. 7, 36, 125, 256, ?, 64 294 243 267 224 None Option B Solution: 71=7 62=36 53=125 44=256 35=243 26=64 21, 8, 31, 13, 41, ? 18…

Read More## Quantitative Aptitude: Number Series Set 68

Directions: The following series are based on a specific pattern. One number in the series is wrong. Find that odd one out. 14, 21, 35, 63, 121, 231 63 121 35 231 14 Option B Solution: 14………… 21…………. 35…………… 63…………… 121(119)……….. 231 ………7 …………. 14 ………. 28 …………… 56 ……….. 112. 12, 7, 8, 13, 27, 69, 206.5 27 206.5…

Read More## Quantitative Aptitude: Number Series Set 67

Directions: The following series are based on a certain pattern. One of the number in series is missing given by ?. Find that number. 24, 208, 240, ?, 256, 176 166 185 192 175 None Option C Solution: 224-16=208 208+32=240 240-48=192 192+64=256 256-80=176. 1, 16, 81, ?, 625, 1296 144 256 289 322 None Option B Solution: 14=1 24=16 34=81…

Read More## Quantitative Aptitude: Number Series Set 66

8, ? , 8 , 14, 30, 77 7 5 6 4 None Option C Solution: 8*0.5+2=6 6*1+2=8 8*1.5+2=14 14*2+2=30 30*2.5+2=77 120, 112 , ?, 92, 76, 58 110 98 104 100 None Option C Solution: 120……….112……….104………..92……..76………58 …….6………….8……………12…….16……..18 Difference alternate multiples of 6 and 8. 1, 3, ?, 48 ,400, 6432 21 16 14 10 None Option D Solution: 1*1+2…

Read More## Quantitative Aptitude: Number Series Set 65

20, 31, ?, 86, 130 48 42 53 36 None Option C Solution: 20+11*1=31 31+11*2=53 53+11*3=86 86+11*4=130. 15, 13 , 16, 11, ? 18 22 19 24 None Option A Solution: 15-2=13 13+3=16 16-5=11 11+7=18. 1/10, 1/5, 3/5, ?, 12 4/9 12/5 11/5 8/9 None Option B Solution: 1/10*2=1/5 1/5*3=3/5 3/5*4=12/5 12/5*5=12. 4, ?, 369, 513, 634 200 230 256…

Read More## Quantitative Aptitude: Number Series Set 64

Directions: The following series are based on a certain pattern. One of the number in series is wrong. Find that odd one out. 11, 5, 4, 4.5, 7, 16, 42 5 4 4.5 7 16 Option E Solution: *0.5 – 0.5, * 1 – 1, *1.5 – 1.5, *2 – 2, *2.5 – 2.5, *3 – 3 5, 9,…

Read More## Quantitative Aptitude: Number Series Set 63

Directions: The following series are based on a certain pattern. Find the number represented by question mark (?) in the following series: 3 4 ? 11 25 78 9 6.5 4.5 5 6 Option C Solution: *1+1, *1.5-1.5, *2+2, *2.5-2.5, *3+3 4*1.5 – 1.5=4.5. 1 6 33 170 ? …

Read More## Quantitative Aptitude: Number Series Set 62

Directions: The following series are based on a certain pattern. Find the number represented by question mark (?) in the following series: 22 12 11 ? 34 86 A) 17 B) 17.5 C) 16 D) 18.5 E) None 5 9 19 41 ? 145 A) 74 B) 76 C) 81 D) 86 E) None 1 9 65 ? 1969 …

Read More## Quantitative Aptitude: Number Series Set 61

Directions: The following series are based on a certain pattern. Find the number represented by question mark (?) in the following series: 2, 10, 30, ?, 130, 222 A) 60 B) 72 C) 68 D) 55 E) None 24, 12, 12, ?, 96, 768 A) 32 B) 24 C) 28 D) 35 E) None 5, 6, 14, 45, ?,…

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