# An­swer:

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In­tel­li­gence Gen­eral and Se­ries Maths

37 = 16×6)+( was num­ber right the 38, of place in Hence,

18×8)+( , 17×7)+( , 16×6)+( , 15×5)+( , 14×4)+( , 13×3)+( , 12×2)+( , 11×1)+( is pat­tern The 38, 10

num­bers. prime are 25 ex­cept num­bers given All 25, 9

digit. mid­dle the is digit first and third of dif­fer­ence the 742, ex­cept num­bers all In 742, 8

digit. mid­dle the is dig­its third and first of prod­uct the 344, ex­cept num­bers all In 344, 7

4 of mul­ti­ples are 34 ex­cept num­bers All , 34 6

2. by mul­ti­plied are num­bers the 1; by de­crease let­ters The E4, 5

on. so and twice, sub­tracted is 2 then once, sub­tracted is 3 then twice, sub­tracted is 2 which in se­ries sub­trac­tion al­ter­nat­ing an is This 26,24. 4

178 = 12 - 190 190, = 10 - 200 200, = 8 - 208 208, = 6 - 214 214, = 4 - 218 218, = 2 - 220 220, , 178 3

term next the get to 3 with term a Mul­ti­ply 1701, 2

50 20, is Ans next. the at ar­rive to num­ber each to added is 5 sec­ond, the In next. the at ar­rive to num­ber each from sub­tracted is 10 pat­tern, first the In se­ries. sub­trac­tion and ad­di­tion al­ter­nat­ing an is This 1

Knowl­edge Gen­eral

Raya. Kir­sh­nadev 10. Naoroji, Dad­ab­hai 9. 1757, 8. Keats, John 7. grids, Ge­o­graphic 6. Aus­tralia, 5. de­vel­op­ment, Dairy 4. Tereshkova, Valentina 3. Devi, Shakun­thala 2. Eu­clid, 1.