The cost price of a saree to a person X was ₹100. Person X sells the saree to person Y at a profit of 10% and person Y then sells it to person Z at a loss of 10%. How much does person Z pay for the saree?
The value of \( (82^{2} + 18 \times 26) \div 16 \) is:
Thrice the length of the diameter of a circle is 10 cm less than its circumference. What is the radius of the circle? \( \text{use } \pi = \frac{22}{7} \)
The value of \( 14 \tfrac{4}{9} + 16 \tfrac{5}{27} + 2 \tfrac{5}{54} \) is:
\( 32 \tfrac{17}{18} \)
\( 32 \tfrac{13}{18} \)
\( 31 \tfrac{13}{18} \)
\( 32 \tfrac{11}{18} \)