Welcome to your Data Science Aptitude Test Full Name Email ID: Mobile No.: 1. Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are: 39, 30 41, 32 42, 33 43, 34 2. A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had: 588 apples 600 apples 672 apples 700 apples 3. What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit? 1 14 20 21 4. If A = x% of y and B = y% of x, then which of the following is true? A is smaller than B A is greater than B Relationship between A and B cannot be determined If x is smaller than y, then A is greater than B. None of these 5. If 20% of a = b, then b% of 20 is the same as: 4% of a 5% of a 20% of a None of these 6. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B. 2 : 3 1 : 1 3 : 4 4 : 3 7. In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was: 2700 2900 3000 3100 8. Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get? 57% 60% 65% 90% 9. Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week? Rs. 200 Rs. 250 Rs. 300 None of these 10. Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items? Rs. 15 Rs. 15.70 Rs. 19.70 Rs. 20 11. Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods. Rs. 6876.10 Rs. 6999.20 Rs. 6654 Rs. 7000 12. The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is: 4.37% 5% 6% 8.75% 13. The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is: 15 16 18 25 14. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit? 30% 70% 100% 250% 15. A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%? 3 4 5 6 16. The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit? Rs. 2000 Rs. 2200 Rs. 2400 Data inadequate 17. A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit? Rs. 18.20 Rs. 70 Rs. 72 Rs. 88.25 18. A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle? Rs. 1090 Rs. 1160 Rs. 1190 Rs. 1202 19. Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit? 3.5 4.5 5.6 6.5 20. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is: Rs. 45 Rs. 50 Rs. 55 Rs. 60