CENTUM

(B) 270

because a3+a6=45+45=90

a4+a2=90 (complementary angles)

a5+a1=90 (complementary angles)

a3+a6=90

Since the grid is a mirror image-

a1+a5=90
a2+a4=90

so, a1+a2+a3+a4+a5+a6=90+90+90=270

so, answer is (b) 270

Anirudh Seetharaman’s answer:

https://drive.google.com/file/d/1kq-HVEp8Zu3hNOGsk-i_zBQ1ONMSL7Ju/view?usp=sharing

https://npsedu-my.sharepoint.com/:b:/g/personal/harshith106333_npsrnr_com/EX4v_s7yedVPrFp6KNJN1MABXe1KuN4IXowosPi7-2RmHA?e=0FDOCI

Jahaan Kukreja’s

https://drive.google.com/file/d/19eARR_R-5UWgTTMnsxceVOF0QzbXuiEr/view?usp=sharing

https://drive.google.com/file/d/1qm6l7jrQaeg10tyEOs4gy9wdQVRM1M3L/view?usp=sharing

https://drive.google.com/file/d/1PSN331qiHp3BtVPVaHrvd6wxQ5dQU8-N/view?usp=sharing

https://drive.google.com/file/d/1DyHJiGpVRxzmBVlRX3imteyM4WccX5W3/view?usp=sharing