You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Mathematics

Solving Equations Using Method of Substitution

The cost of 5...

Question

The cost of 5 pens is Rs. 60, while that of 6 pens and 3 cups is Rs. 90. The cost of a cup is:

Rs. 3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs. 4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs. 5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Rs. 6

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Rs. 6

Suggest Corrections

Similar questions

Q. The cost of

7

pens is

R s . 60

, then find the cost of

5

pens.

Q. If

7

pens and

3

books cost

R s 1395

, while

5

pens and

4

books cost

R s 1665

. Find the cost of a book

The cost of 5 pens and 8 pencils is Rs.120,while the cost of 8 pens and 5 pencils is Rs.153.Find the cost of 1 pen and that of 1 pencil.

Q. The cost of

4

dozen pencils,

3

dozen pens and

2

dozen erasers is Rs.

60

. The cost of

2

dozen pencils,

4

dozen pens and

6

dozen erasers is Rs.

90

whereas the cost of

6

dozen pencils,

2

dozen pens and

3

dozen erasers is Rs.

70

. Find the cost of each items per dozen by using matrices

5

pens and

6

pencils together cost

R s .37

and

3

pens and

3

pencils together cost

R s .21

. Find the cost of a pen and a pencil.

Join BYJU'S Learning Program