Reema sold 48 articles for Rs. 2,160 and suffered a loss of 10%. How many articles should she sell for Rs. 2,016 to earn a profit of 12%?
A can do a work in \( 7 \frac{1}{2} \) hours and B can do the same work in \( 10 \frac{1}{2} \) hours. If they work together for \(3 \frac{1}{2}\) hours, then what part of the work will be left out?
If (1 + cot2θ) + (1 +(cot2θ)-1) is equal to k, then √k = ?
The value of the expression (\({cos^6\theta+sin^6\theta-1}\)) (\({tan^2\theta+cot^2\theta+2}\)) is :
The value of \({3 \over 1.2}+{3 \over 0.12} + {3 \over 0.012}+ ....upto \space8\space terms..is\)