engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Quantitative Aptitude Number System LCM and HCF
\(4 \times\left[\frac{1}{1 \times 2 \times 3}+\frac{1}{2 \times 3 \times 4}+\frac{1}{3 \times 4 \times 5}+\frac{1}{4 \times 5 \times 6}\right]=?\)
1
\(\frac{14}{15}\)
2
\(\frac{12}{15}\)
3
\(\frac{13}{15}\)
4
\(\frac{11}{15}\)