**The tax on a commodity is reduced by 10%, so consumption increases by 10%. The effect on revenue derived from it is K% change. Find the value of K.**

A] 1

B] 2

c] -1

D] -2

**What is the per cent profit if 34% of the cost price is 26% of the selling price?**

A] 30.77%

B] 74%

C] 25.16%

D] 88.40%

**A machine is sold at a profit of 10%. Had it been sold for Rs. 40 less, there would have been a loss 10%. What is the cost price?**

A] Rs. 175

B] Rs. 200

C] Rs. 225

D] None of these

**The retail price of a water geyser is Rs. 1265. The manufacturer gains 10%, the wholesale dealer 15% and the retailer gains 25%, then the cost of the product is**

A] Rs. 800

B] Rs. 900

C] Rs. 700

D] Rs. 600

Tarun got 30% concession on the labelled article and sold it at Rs.8750 with a 25% profit over the price he bought it for. What was the labelled price, p?

A] Rs. 16000

B] Rs. 12000

C]Rs. 10000

D] Rs. 14000