Question
In a shop, shirts are usually sold at 50% above the cost
price. During a sale, the shopkeeper offers a discount of 20% off the usual selling price. If he manages to sell 324 shirts for Rs.19440. Then his cost price per shirt isSolution
Let the C.P. of 1 shirt = Rs. 100 M.P. of 1 Shirt = Rs. 150 S.P of 1 shirt = 80% of 150 = Rs. 120 Actual S.P of 1 shirt =  19440/324= Rs. 60 Now, 120 ------------ 60 100 ----------- (60/120) × 100 = Rs. 50
The major component of honey is-
A polymeric substance used to make parachute is
Bronze is an alloy of-
The element used in the manufacture of safety matches is —
The most reactive among the halogens is-
 Alum stops bleeding in minor cuts because of
Manganite is an ore/mineral of
The element used for making solar cells is
The pH of a neutral solution is —
The gas used for filling weather balloons is-