Mathematics quiz on Profit, loss and Ages (09-10-2020)

Find the profit percent, if Sushant goes from X to Y to buy an article costing 15% less at Y. Although he spends Rs. 150 on travelling, still he gains Rs. 150 compared to buying it at X.

Sonali sold her car at 10% below the cost price to Kartik. Kartik got the car repaired and spent Rs. 5000. He then sold the car to Rahul at 20% above the total cost which is equal to Rs 1,00,000. Find the actual price of the car (nearest to hundred).

Two partner X and Y has their monthly expenditure is Rs 28000 and invest in the ratio 3 : 4 in a business. What should be their income so that X get Rs. 6000 as profit?

At the end of the financial year three partner A, B, & C receive profit in ratio of 24 : 18 : 15. If they have invested in ratio of 8 : 9 : 10, find the ratio of time in which they have invested the money in the corporation.

A cloth seller sells 80% of his stock for a particular item and recovers the cost price. If he sells the remaining stock at the same price then what will be his profit percentage after selling the complete stock?

The age of man is 35 year more than his son. In 3 years, the man age will be twice that of his son find the present age of his son?

A is 20 year older than B. Five year ago A was two time as old as B, then find the present age of A

The difference in the age of two friends A and B is 30 years. If three years ago the elder one of the two was three times as old as the younger one. Find their present years.

The total age of A and B is 14 years more than the total age of B and C. C is how many years younger than A

A and B are friends and their ages differ by 3 years. A’s father D is thrice as old as A and B is thrice as old as his sister C. The age of D and C differ by 41 years, find the age of B.