Mathematics Mcqs
A photograph measuring 5 cm by 7 cm is enlarged in the ratio of 7:5. What is the new length and width of the picture?

A. 7 cm by 9 cm
B. 7.6 cm by 9.8 cm
C. 7 cm by 9.8 cm
D. 7 cm by 8.8 cm

Explanation: Enlarged ratio = 7/5
New length = 5 × 7/5 = 7 cm
New width = 7 × 7/5 = 49/5 = 9.8 cm