The cost of four dozen proof machine ribbons and five dozen
accouting machine ribbons was Rs.160/-. If one dozen
accounting machine ribbons cost Rs.20/-, what is the cost of
a dozen proof machine ribbons?
- 4 Answers
- 18797 Views
- TCS, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / anitha bharathan
Given:
4( dozen Proof machine)+5(dozen Accounting machine)=160
Also 1 dozen Accounting machine=20
Therefore,
4( dozen Proof machine)+5(20)=160
4( dozen Proof machine)=160-100
4( dozen Proof machine)=60
dozen Proof machine=60/40
dozen Proof machine=15
| Is This Answer Correct ? | 40 Yes | 1 No |
Answer / karthick.m
5 dozen *20 =100
so160-100=60
60 /4 = 15 per dozen
| Is This Answer Correct ? | 10 Yes | 0 No |
Answer / rbarunkumar
4x+5y=160
4x+5(20)=160
4x=160-100
x=60/4
x=15.
| Is This Answer Correct ? | 9 Yes | 0 No |
Sky Heaven is a 16 stored building with 12000 sq. feet on each floor. Zintac International rents 7 floors and Zobia International rents 4 floors. What is the number of sq. feet of unrented floor space?
which country is called playground of europe
A plane goes from Chicago to Columbus and then comes back. It takes the same time to travel in either ways. It leave Chicago early in the morning 0644 LOCAL TIME and reaches the destination Columbus at 0849 LOCAL TIME. In the same evening it leave Columbus at 1625 hrs LOCAL TIME and reaches the destination at 1638 LOCAL TIME. Find the time that the plane takes to travel either way?
make 4 using 1,1,6,7 operators +,-,x,/ are allowed numbers are not to be repeted
f(X)= f(X-1)+f(X-2) FOR X>1 THEN X= ?
10 : 4 seconds :: ? : 6 minutes
The length and breadth of a rectangle are increased by 20% and 40% respectively. What is the percentage increase in its area?
f(f(x))=81 THEN VALUE OF X=
The houses are numbered 1,2,3,? and reach the end of the street and backtracks toward s the starting point. The house numbered 10 is opposite to 23. there are even no of houses. Find the total no of houses.
If 13 = 13w/(1-w) ,then (2w)2 = ?
A trader has 100 Kg of wheat, part of which he sells at 5% profit and the rest at 20% profit. He gains 15% on the whole. Find how much is sold at 5% profit? (A) 60 (B)50 (C)66.66 (D) 33.3
a clock which gains uniformly was observed to be 5min slow at 12 noon on monday. it was noticed 10 min fast at 6pm . on the next day .when did the watch show the correct time (* PLEASE GIVE THE EXPLANATION*)
English 
