3 Pencils and 5 pens together cost 34. Whereas 4 pencils and 7 pens together
cost 47. Find the cost of one pencil and one Pen ?
State whether which of the following sets are nullsets ? Justify answer.
i) {x: x2= 16, {x:x2= 16, X EN}
ii) {x:x2 + 1 =0,X EN}
iii) {x:2=16, X EN}
iv) {x:x is a even prime numbers }
Answers
Answered by
1
Answer:
one pencil s cost =3.and pen =5 rupees
Step-by-step explanation:
plz mark me as brainlist
Attachments:
Answered by
0
Answer:
Step-by-step explanation:
Attachments:
Similar questions