https://blog.perfectrank.in https://validator.w3.org/feed/docs/rss2.html Vishu kumar Shivam Shivpriye Fiza Siddique Determine the ratio of the number of students who play Football to the number of students who play Basketball in a survey of 150 students from the following table: Spot the correct spelling of a microchip printing method. Select the correct option: The researcher’s hypothesis was not only radical but also diametrically ________ to the foundational assumptions of her discipline. Change the following from active to passive : The judges have delivered a unanimous verdict. Choose the most suitable option to replace the highlighted part of the sentence: Somesh must adapt with the circumstances. In a 1500 m race, Anil beats Bakul by 150 m and in the same race Bakul beats Charles by 75 m. By what distance does Anil beat Charles ? vishal nethaji Rahul kkumar If the compound interest on a certain sum at 16⅔% per annum for 2 years is ₹2600, find the simple interest on the same sum at the same rate and for the same period. A tea seller bought 10 kg of Darjeeling tea at ₹320 per kg and 20 kg of Assam tea at ₹280 per kg. He mixed them together. Due to a drop in market prices, he had to sell the entire mixture at ₹300 per kg. Calculate his total profit or loss. An antique dealer sold three items, A, B, and C, with their selling prices in the ratio 3 : 4 : 5. He suffered a loss of 20% on item A, made a profit of 25% on item B, and broke even on item C. What was his exact percentage gain or loss in the overall deal? A wholesaler buys a batch of ceiling fans at a 60% markup over the factory’s base cost C. He then allows a 25% trade discount to the retailer. The retailer applies a 30% markup on his cost and offers a flat 15% discount to customers on the printed price. If a customer finally pays ₹20,400, what is the original base cost (C) of one ceiling fan from the factory? Three varieties of rice costing ₹30/kg, ₹45/kg, and a third unknown price are mixed in the ratio 3 : 2 : 5. If the resulting mixture is sold at ₹55/kg, making a profit of 10% on the cost price, what is the price of the third variety of rice per kg? A can lay a railway track between two stations in 20 days, B can complete the same task in 15 days, and C assists them to finish the job in 5 days. How long would it take for C alone to complete the job? A 108-liter mixture contains milk and water in the ratio 7 : 2. If 27 liters of this mixture are removed and replaced with 9 liters of pure milk, what is the new ratio of milk to water in the mixture? The compound interest on a sum at 18% p.a. for 1½ years, compounded yearly, is ₹1,431. Find the principal. In an election, 70% of eligible voters cast their votes. Of these votes, 5% were declared invalid. The winning candidate received 15,960 votes, which was exactly 40% of the total valid votes. What was the total number of eligible voters in the election? The average of 13 numbers is 84. The average of the first five numbers is 60. The average of the next five numbers is 30% higher than the first five. The 11th number is 6 less than the 13th number, and the 12th number is 6 more than the 13th number. Find the average of the 11th and 12th numbers. A batsman’s average score for a certain number of innings is 40. If he scores 150 runs in the next innings, his average becomes 45. How many innings did he play earlier? A invests ₹18,000, while B invests ₹27,000 in a business. A receives an additional 25% of the total profit as a management fee. The total profit at the end of the year is ₹50,000. What is A’s total share of the profit? Ravi and Suman started a business with ₹60,000 and ₹90,000 respectively. After 6 months, Suman added ₹30,000 more. Ravi withdrew ₹10,000 at the same time. What is their profit-sharing ratio at the end of 1 year? Evaluate the expression: (1/(√10 − √9)) − (1/(√9 − √8)) + (1/(√8 − √7)) − (1/(√7 − √6)) + (1/(√6 − √5)) − (1/(√5 − 2)) = ? A can build a wall in 12 days while B can break it in 4 days. A works alone for 6 days, then B joins A and they work together for 3 days. In how many days will A alone finish building the remaining part of the wall ? An airplane travels a specific distance at a speed of 120 km/h over the course of 8 hours. To cover the same distance in just 1 hour, it needs to fly at a speed of : Simplify: (1 2/5 + 2.8) − 1 3/5 What is the value of 5 + 55 + 555 + 5555 + 55555? Kashish A person travels from city P to city Q. If he travels at a speed of 60 km/h, he arrives 1 hour early. If he travels at a speed of 40 km/h, he arrives 1 hour late. What is the distance (in km) between city P and city Q ? A ring-shaped metallic sheet has outer and inner radii 14 cm and 7 cm. What percentage of the full circle’s area is the ring? The ratio of the circumferences of two circular flower beds is 4:5. If the smaller flower bed has a radius of 12 m, what is the radius of the larger flower bed ? What is the equation of line through (0,4) with slope -1 ? Luv Vashistha Durvijay Dhanger Rajat x+1/x=4 Kunal saini The tableau of human suffering was etched into memory by the war artist. She said that she used to play the violin when she was young. Shelley is good at ______ and also has a new ______ of the Oxford dictionary launched last month. Select the most appropriate option to fill in blank No. 2 A shopkeeper bought two items at Rs. 350 each. He sells one item at 9% profit and the other at 23% profit. Calculate the net profit% earned by him. The value of 484 ÷ (20% of 50 + 600/50) is Tanuja Rituparna Das sreedevi krishna m The last digit of 39