Teaching AP TET Paper I & Paper II Mock Test Series 2025 Quantitative Aptitude Number System Quick Math
The cost of 6 pens and 3 pencils is Rs. 84. If one-third of the cost of one pen is equal to the cost of one pencil, then what is the total cost of 4 pens and 5 pencils?
1
66
2
72
3
78
4
68