If x + 8y = 20 and x = -3y, then y =

Answer Posted / chandu

-3y+8y=20
--->5y=20
--->y=4

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Given 10 alphabets out of which 5 are to be chosen. How many words can be made with atleast one repetition.

731


A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?

786


7) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane wears black shoes she will not wear: a) red stockings. b) a blue skirt. c) a white blouse. d) blue stockings. e) a sky blue blouse. 8) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane is color blind and is unable to determine what outfits went well together, how many possible clothing combinations could she have? a) 24 b) 32 c) 36 d) 44 e) 48 9) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane wears a brown skirt and a white blouse, she could: a) not wear blue stockings. b) not wear brown shoes. c) not wear black shoes. d) wear blue stockings. e) wear red stockings. 10) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. Jane buys a gray scarf. If she wears the new scarf, then she could: a) not wear blue stockings. b) not wear brown stockings. c) not wear black shoes. d) wear a white blouse. e) wear black stockings. 11) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. Jane will never wear: a) blue and red together. b) white and red together. c) gray and blue together. d) white and black together. e) white and red together. 12) Two men, Barry and David, and two women Ann and Cathy are doctors. One is a surgeon, one a dentist, one an optometrist, and one is a general practitioner. They are seated around a square table, with one person on each side. 1) Barry is across from the dentist. 2) David is not across from the surgeon. 3) The optometrist is on Ann's immediate left. 4) Cathy is the general practitioner. 5) The surgeon and general practitioner are married to each other. 6) The general practitioner is not on Cathy's immediate left. 7) The general practitioner is across from the optometrist. Which of the following must be true? a) Barry is the dentist. b) The surgeon and general practitioner are women. c) The dentist is across from the surgeon. d) David is the surgeon. e) Cathy is across from Ann. 13) Two men, Barry and David, and two women Ann and Cathy are doctors. One is a surgeon, one a dentist, one an optometrist, and one is a general practitioner. They are seated around a square table, with one person on each side. 1) Barry is across from the dentist. 2) David is not across from the surgeon. 3) The optometrist is on Ann's immediate left. 4) Cathy is the general practitioner. 5) The surgeon and general practitioner are married to each other. 6) The general practitioner is not on Cathy's immediate left. 7) The general practitioner is across from the optometrist. If both women leave the table, the a) optometrist and dentist remain. b) surgeon and optometrist remain. c) surgeon and general practitioner remain. d) general practitioner and dentist remain. e) general practitioner and optometrist remain.

2148


Package information is stored in a) DB2 Directory b) DB2 system tables c) DB2 catalog tables d) None of the above

1657


2. Why would you choose a database system instead of simply storing data in operating system files? Give and explain advantages of using DBMS.

1026






There are 3 societies A, B, C.A lent cars to B and C as many as they had already.After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24.Find the cars each originally had.

1033


When Raja was born, his father was 32 years older than his brother and his mother was 25 years older than his sister. If Raja’s brother is 6 years older than Raja and his mother is 3 years younger than his father, how old was Raja’s sister when Raja was born?

920


The difference b/w the compound interest payble half yearly and the simple interest on a certain sum lent out at 10% p.a for 1 year is Rs 25. What is the sum?

827


If 1/4 of the time from midnight plus 1/2 of the time from now to midnight is the present time,then what is the present time ?

888


---- of a mutual instrument vibrate 6,8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again?

898


In which year will the 21st century begin?

697


distance D=rt where r & t are +ve and r is constant,as t increases then D_________

755


If x,y,z are three consecutive natural numbers, which of the following numbers should be x+y+z

731


a, b, b, c, c, c, d, d, d, d, . . . . . . Find the 288th letter of this series?

975


There were 36 chairs. how many ways can they be placed such that all rows have equal no. of chairs and atleast three chairs are there in each row and there are atleast three rows.

880