SSC CGL 20191)The value of \({7+8 \times8 \div8 of 8+8\div8\times4 of 4}\over{4\div4 of 4+4\times4\div4-4\div4 of 2}\) is :
6.4
\({7+8 \times8 \div8 of 8+8\div8\times4 of 4}\over{4\div4 of 4+4\times4\div4-4\div4 of 2}\);
On solving by the BODMAS rule,
\(7+{8\times8\over8\times8}+8\times{1\over8}\times16\over4\div16+4-4\times{1\over8}\) = \(7+1+16\over{1\over4}+4-{1\over2}\) = \(24\over{1+16-2\over4}\) = \(32\over5\) =6.4
SSC CGL 20162)If l + m + n = 9 and l2 + m2 + n2 = 31, then the value of lm + mn + nl will be
25
3)500 soldiers in a fort had enough food for 30 days but 125 soldiers were transferred to another fort. For how many days did the food last then?
40 days
SSC CGL 20224)A truck runs 492 km on 36 Litter of diesel. How many kilometres can it run on 33 Litter of diesel?
451 km