Question
Find the wrong number in the given number series.
7, 11, 20, 45, 94, 194Solution
ATQ,
Here’s the rule:
7 + 2² = 7 + 4 = 11
11 + 3² = 11 + 9 = 20
20 + 5² = 20 + 25 = 45
45 + 7² = 45 + 49 = 94
94 + 11² = 94 + 121 = 215
So, 194 should actually be 215.
Kapil and Samar sold their horses at Rs 2,420 each but Kapil incurred a loss of 20%, while Samar gained 10%. What is the ratio of the cost price of the ...
A seller marked an article 25% above its cost price and sold it after giving a discount of Rs. 60. If the seller earned a profit of 20% in the transacti...
A bought a laptop for Rs.25000. He spent 16% of the amount that he had paid for buying it for its repair. He then sold the laptop to B and earned a prof...
A shopkeeper marked an article 50% above its cost price and made a profit of Rs. 200 when he sold the article after giving a discount of 25%. Find the p...
By selling 72 articles, a man suffers a loss of the selling price of 9 articles. Find the loss percentage.
- A shopkeeper increased the price of an article by 50% over its cost price. If the article is sold at a 10% discount, calculate the shopkeeper's gain percen...
A shopkeeper bought an article and marked it at Rs. 650. By selling the article at a discount of 4%, he earns a profit of 20%. Find the cost price of th...
- Cost price of article ‘B’ is (250/7)% of selling price of article ‘A’. Article ‘A’ is sold at 40% profit and cost price of article ‘A’ is R...
Devesh sells his car to Pranav at a profit of 20% who sells it to Hemraj at a loss of 20%. Hemraj, after finding some scratches in the car, returns it ...
- A shopkeeper marked an item at Rs. 1000. The discount given on it is equal to 40% of the difference between marked price and cost price. If he made a profi...