SEEMA WANTS TO INVEST RS.20000IN TWO TYPES OF BONDS.SHE EARNS 12 PERCENT ON THE FIRST TYPE AND 15 PERCENT ON THE SECOND TYPE.FIND HER INVESTMENT IN EACH CASE IF HER TOTAL EARNING IS RS.2850.

Asked by M.s.srinidhi21 | 28th Sep, 2014, 11:49: PM

Expert Answer:

L e t space x space a n d space y space b e space t h e space s u m space o f space a m o u n t space i n v e s t e d space i n space t w o space t y p e s space o f space b o n d s. G i v e n space t h a t comma x plus y equals 20000... left parenthesis 1 right parenthesis S i n c e space S e e m a space e a r n s space 12 space p e r c e n t space o n space t h e space f i r s t space t y p e space a n d space 15 space p e r c e n t space o n space t h e space s e c o n d space t y p e space a n d space h e r space t o t a l e a r n i n g space i s space R s.2850 comma space w e space h a v e comma 0.12 x plus 0.15 y equals 2850... left parenthesis 2 right parenthesis rightwards double arrow 12 x plus 15 y equals 285000.... left parenthesis 3 right parenthesis S o l v i n g space e q u a t i o n s space left parenthesis 1 right parenthesis space a n d space left parenthesis 3 right parenthesis comma space w e space h a v e comma y equals R s.15 comma 000 space a n d space x equals R s.5 comma 000

Answered by Vimala Ramamurthy | 29th Sep, 2014, 09:51: AM

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