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Practice Difficult level Section Tests Questions and Answers

A trader sold an article for Rs. 640 and made a profit of 28%. If he wants to increase his profit to 45%, what should be the new selling price?
Calculate the area of the triangle enclosed by the line 3x+6y=18, the x-axis, and the y-axis.
If 40% of 'P' is equal to 125% of 20% of 'Q', then find the ratio of 3P : Q.
Three years ago, the ratio of Meena's age to Neha’s age 1 year from now was 3:5. If their average present age is 25 years, what is the difference between...
Ravi and Kunal initiated a joint venture by contributing Rs. 6,000 and Rs. 7,200 respectively. After 6 months, Ravi boosted his investment by 30% and Kunal...
Find the difference between the compound interest earned on Rs. 12,000 for 2 years at 10% p.a., compounded annually, and the simple interest earned on Rs. ...
A cyclist rode for 4 hours at a constant speed of 'x' km/h and then for 6 hours at a speed of (x - 10) km/h. If his average speed during the entire journey...
The sum of the LCM and HCF of two numbers is 370 and the difference between the LCM and HCF is 354. If one of the numbers is 59, find the other number.
Determine the simplified value of the given expression: ...
An article is sold at a loss of 10% and its selling price is Rs. 210 less than the selling price when it is sold at a profit of 20%. If the article is actu...
If (p + q + r) = 4, and (p² + q² + r²) = 56 ...
There are 80 students in a school team, where the number of girls is 16 more than the number of boys. If 50 more students join the team, out of which 60% a...
'P' is 25% less efficient than 'Q'. 'Q' takes 20 days less than 'P' to complete the same task. Find how much time 'Q' will take to complete the work if he ...
A seller allowed a discount of 10% on an article and sold it for Rs. 144. If he had marked the article 25% higher than the actual marked price, then the pr...
A circle has its area eleven times greater than its circumference in numeric value. Find the circle’s diameter.
'N' is the largest three-digit number which leaves 5 as a remainder when divided by 6, 9, and 15. What is the smallest number that needs to be added to 'N'...
The diagonals of a rhombus are in the ratio 7:5, and its area is 3,500 cm². A circle is formed taking the smaller diagonal as the diameter. Find the diffe...
A number '71945b' is divisible by 6, but not by 5. What is the value of (b² + 1)?
The current average age of Ayan, Rohit and Mohan is 27 years, whereas the average age of Rohit and Mohan is 30 years. If Ayan is 5 years younger than Mohan...
10 dogs can finish 20 trays of food in 25 hours. How long will it take 5 dogs to consume 16 trays of food?
A financial institution gives compound interest at the rate of 10% per annum, compounded half yearly. What is the interest earned after one year on a depos...
The ratio between cost price, labelled price and the selling price of a product is 4:10:6. If a profit of Rs. 240 is gained on the sale, find out how much ...
In a test, Riya got 40% of the total marks and was short by 16 marks to pass. Meena obtained 50% marks and secured 4 marks more than the passing marks. Wha...
A merchant made a profit of Rs. 600 on selling a gadget. Had the cost price been Rs. 400 lower and the selling price Rs. 900 more, the profit would have be...
In a tank, the ratio of petrol to kerosene is 7:5. 50% of this mixture is removed and replaced with kerosene. Again, 50% is replaced with petrol. Find the ...
‘Amit’ is 1.5 times as efficient as ‘Bhuvan’, who is 1/3 as efficient as ‘Chirag’. If Amit and Chirag together complete a work in 18 days, how ...
Find the simplified value of the given expression. (-8) x {15 - (-4) x (-5)}
Find the fraction which is greater than (5/7) but less than (9/7).
A swimmer decided to swim for 8 hours. He swims 8 laps in an hour. He takes a break of 20 minutes after every hour. How many laps does he complete in 8 hou...
Anita bought a pair of shoes for Rs. 750, but had to sell them for Rs. 600. Find the percentage loss incurred.
In a 800 metres race, Tanya beats Ravi by 160 metres and Sumit by 240 metres. By how many metres does Ravi beat Sumit in the same race?
A trader purchases a product for Rs. 250 and earns a profit of 45%. Calculate the selling price of the product.
A 220 metres long train, travelling at 60 km/h crosses a platform in 30 seconds. What is the length of the platform?
The present ages of Priya and Tina are in the ratio 2:5, respectively. Eight years hence, the ratio of their ages will become 5:11. Find the present age of...
Which of the following numbers is not a perfect square?
Anita spends 18% of her monthly income on rent and 70% of the rest on household expenditure. If she saves Rs. 1,890, then find her monthly income.
The product of two decimals is 0.675. If one of the decimals is 2.5, then find the other decimal.
A windmill rotates 60 times in 1.5 hours. Find the number of rotations made by the windmill in 36 minutes.
What is the average of the first eight triangular numbers?
The selling price of an item when it is sold at a profit of 30% is Rs. 650. Find the percentage loss if the item is sold for Rs. 500.

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