Question
Seema sold a laptop at a profit of 15%. If she had
bought it at 10% less and sold it for ₹ 2,100 less, she would have gained 20%. What was the cost price (in ₹) of the laptop?Solution
Solution -Let the Cp of Seema’s Laptop=100 Cp P Sp 100 15% 115 90 20% 108 Difference of Sp=115-108=7 ATQ- 7=2100 1=300 CP of laptop =100×300=30000 Rs.
Kindly Study the following questions carefully and choose the right answer.
In plants, the carbohydrates which are not used immediately are sto...
Two capacitors of capacitance 6 µF and 3 µF are connected in series across a battery of constant voltage.
The charges stored on the two capaci...
When Mendel crossed a tall pes plant with a short pea plant, only tall plants were produced. Of these progeny F1 plants, ______ had dissimilar factor...
A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2....
Which enzyme in saliva breaks down starch?
Which of the following vitamin helps during blood clotting?
Match the following:
Which is not shown by vitamins?
Which of the following is an example of symbiosis?
The PH of an aqueous solution of a salt is 4.5. Which of the following about this salt is true?