Danny had his palm impression on a grid sheet and it covers 12 complete grids, 5 more than half grids and 3 less than half grids. If each grid occupies 1 cm2 then what is the space occupied by his palm?
A
12 cm2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
23 cm2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
18 cm2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
17 cm2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D 17 cm2 Given, Space occupied by each grid = 1 cm2 Number of complete grids occupied = 12 Number of more than half grids occupied = 5 And, number of less than half grids occupied = 3
So, space occupied by his hand is: Area = 12 × 1 + 5 × 1 + 3 × 0 = 17 cm2