Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
If (a3 + b3) is proportional to (a2 – b2), then (a2 - ab + b2) is proportional to
1
(a - b)
2
(a + b)
3
(a + ab + b)
4
(a3 – b3)