Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Geometry Quadrilaterals
BD is the diagonal of parallelogram ABCD such that ∠CBD = 12x, ∠ABD = 7y, ∠ADB = 60° and ∠CDB = 28°. Then, the value of 2x + 3y is:
1
23°
2
20°
3
21°
4
More than one of the above
5
None of the above