Math Exam

Math

Honours Coaching Centre

B.B.A. (Hon’s) Part- 1

Weakly Exam

Time: .50 minutes Part A Marks: 25

Answer any five (5[pic]1)=5

1| †mU Z‡Ë¡i D™¢veK †K 2| Ae A_© wK? 3| Null Set-†K -- A¶i ( (dvB) Øviv cÖKvk Kiv nq? 4| hw` P = {a,b,c,d,e,f} nq Z‡e P Gi kw³ †m‡Ui Dcv`vb KqwU? 5| †h †m‡Ui †KejgvÎ GKwU Dcv`vb _v‡K Zv‡K wK e‡j? 6| A ( B =?

Part B & C

Answer any five (5[pic]4)=20

1| A = {2,3}, B = {2,4}, C = {3,4,5} n‡j A ( B ( C wbY©q Ki| 2| †mU A, B Ges C wbY©q Ki t

hw` A ( B = {1,2,3,4}, A ( C = {2,3,4,5}, A ( B = {2,3} Ges A ( C = {2,4} nq|

3| GKwU evRvi M‡elK `j 1000 Rb †fv³vi g‡a¨ Rwic cwiPjvbv K‡i wi‡cvU© K‡ib †h, 720 Rb A cY¨ Ges 450 Rb B cY¨ cQ›` K‡i| b~b¨Zg KZRb Dfq cÖKvi cY¨ cQ›` K‡i †m‡Ui mvnv‡h¨ †ei Ki?

4| GKwU kn‡i Awaevmx‡`i g‡a¨ wZb fvlvfvlx †jvK evm K‡i| Zv‡`i g‡a¨ 5000 Rb evsjv, 4050 Rb Bs‡iwR Ges 6000 Rb wnw›`‡Z K_v e‡j| evsjv I Bs‡iwR‡Z K_v e‡j 450 Rb, 600 Rb evsjv I wnw›`‡Z K_v ej‡Z cv‡i| Bs‡iwR I wnw›`‡Z K_v ej‡Z cv‡i 500 Rb| D³ Z‡_¨i wfwˇZ †`LvI †h, H kn‡i Kgc‡¶ 13500 Rb †jvK evm K‡i?

5. Prove that A ( (B(C) = (A ( B) ( (A ( C)

6. GKwU †kªwYi 25 Rb Qv‡Îi g‡a¨ 12 Rb QvÎ gv‡K©wUs wb‡q‡Q Ges 8 Rb gv‡K©wUs wb‡q‡Q wKš‘ dvBb¨vÝ †bqwb| D³ †kªwYi KZRb QvÎ gv‡K©wUs I dvBb¨vÝ wb‡q‡Q Ges KZRb QvÎ dvBb¨vÝ wb‡q‡Q wKš‘ gv‡K©vUs †bqwb?