SSC MTS 6 Aug 2019 Shift 2 Paper

Tips & Tricks
L.C.M. of 20, 15 and 75/2 = 300

⇒ The efficiency of A = 15
⇒ Efficiency of B = 20 – 15 = 5
⇒ Efficiency of C = 8 – 5 = 3
⇒ The ratio of the efficiency of A, B and C = 15 : 5 : 3
∴ The ratio of the efficiency of A, B and C in terms of doing the work is 15 : 5 : 3.