test Company Numerical Ability

A sells a watch to B at a gain of 20% and B sells it to C at a loss of 10%. If C pays Rs. 216, what does it cost to A? (a) Rs. 200 (b) Rs. 216 (c) Rs. 100 (d) Rs. 250

Read Solution (Total 2)

ans-200
cp of B=216*100/90=240
cp of A=240*100/120=200
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: SPof B=CP of C=216=>SPof B=90% of CP of B => CP of B = 216*100/90=240(= SPof A)
SPof A=120% of CP of =>CP of A=240*100/120=200.
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test Other Question

A history exam features 5 questions. 3 of the questions are multiple-choice with four options each. The other two questions are true or false. If Caroline selects one answer for every question, how many different ways can she answer the exam? When the length of a right angled quadrilateral is increased by 2 units and its breadth is decreased by 2 units, its area decreases by 28 square units. Similarly, if length is decreased by 1 unit and breadth is increased by 2 Units, its area increases by 33 sq. units. What will be the area of the right angled quadrilateral? (a) 352 sq. units (b) 253 sq. units (c) 223 sq units (d) 225 sq. units