Question
A shopkeeper marked his article 30% above its cost price
and offered a discount of 28%. If cost price of the article is Rs. 350, then find profit or loss of the shopkeeper on selling the articleSolution
Marked price of the article = 1.3 × 350 = Rs. 455 Selling price of the article = 0.72 × 455 = Rs. 327.6 Loss = 350 – 327.6 = Rs. 22.4
Which of the following metals does not liberate hydrogen gas when reacted with cold water but does so with steam?
Which reagent is used to distinguish between aldehydes and ketones?
What is the viscosity of an ideal fluid?
Which radioactive element is used in heart pacemakers?
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
A radioactive substance emits?
Which drug is used as an anti-inflammatory?
Which gas is added under pressure to make soft drinks fizzy?
Which chemical compound is commonly known as Pearl Ash?
Modern periodic table has ______ groups and ______ periods.
