List of top Quantitative Aptitude Questions asked in Symbiosis National Aptitude Test

A private telephone company serving a small community makes a profit of ₹ 12 per subscriber, if it has 725 subscribers. It decides to reduce the rate by a fixed sum for each subscriber over 725, thereby reducing the profit by 1 paise per subscriber. Thus, there will be profit of ₹ 11.99 on each of the 726 subscribers, ₹ 11.98 on each of the 727 subscribers etc. The number of subscribers which will give the company, the maximum profit, is:
The age of the father 5 years ago was 5 times the age of his son. At present the father's age is 3 times that of his son. What is the present age of the father?
A bus starts from city X. The number of women in the bus is half of the number of men. In city Y, 10 men leave the bus and five women enter. Now the number of men and women is equal. In the beginning, how many passengers entered the bus?
A milkman buys milk contained in $10$ vessels of equal size. If he sells his milk at ₹ 5 per litre, he loses ₹ 200; if he sells it at ₹ 6 per litre, he would gain ₹ 150 on the whole. Find the number of litres contained in each vessel.
A firm of readymade garments makes both men's and women's shirts. Its average profit is $6\%$ of the sales. Average profit in men's shirts is $8\%$ of the sales and women's shirts comprise $60\%$ of the output. The average profit per sale rupee in women's shirts is:
In an express train, the numbers of passengers travelling in A.C. Sleeper Class, First Class and Sleeper Class are in the ratio $1:2:3$, and the fares of these classes are in the ratio $5:4:2$. If the total income from the train is ₹ 54000, find the income from the A.C. Sleeper Class.
A dealer buys three kinds of dry fruits at ₹ 100, ₹ 80 and ₹ 60 per kg in the weight ratio $12:15:20$. Selling the first two together gives him $20\%$ profit; overall he has no gain no loss. Find the percentage loss on the third kind.
Rahul starts a business with ₹ 8000. After $6$ months, Sanjay joins with some capital. If their profits after one year are equal, find Sanjay's investment.
A watch is bought for ₹ 1950 in cash and sold for ₹ 2200 on one-year credit. If the interest rate is $10\%$ p.a., find the trader's gain/loss.
An article is listed at ₹ 65. A customer bought this article for ₹ 56.16 and got two successive discounts, the first being $10\%$. What was the other discount rate allowed by the shopkeeper?
A company has $50{,}000$ preferred shares with dividend $20\%$ and $20{,}000$ common shares; par value of each share is ₹ 10. The total profit is ₹ 1{,}80{,}000, of which ₹ 30{,}000 is kept in reserve and the rest distributed to shareholders. Find the dividend percent paid to common shareholders.
A man buys apples at a certain price per dozen and sells them at \emph{eight times that price per hundred}. What is his gain or loss percent?
By selling $12$ notebooks, the seller earns a profit equal to the \emph{selling price} of $2$ notebooks. What is his percentage profit?
A manufacturer can sell all he produces at ₹ 60 each. It costs ₹ 40 in materials and labour to produce each item and overhead expenses are ₹ 3000 per week. How many units should be produced and sold to make a profit of at least ₹ 1000 per week?
An aeroplane first flew with a speed of $440$ km/h and covered some distance. It still had to cover $770$ km less than what it had already covered, and it flew this remainder at $660$ km/h. The average speed for the entire flight was $500$ km/h. Find the total distance.
Train A running at $60$ km/h leaves Mumbai for Delhi at $6$ p.m. Train B running at $90$ km/h also leaves for Delhi at $9$ p.m. Train C leaves Delhi for Mumbai at $9$ p.m. If all three trains meet at the same time between Mumbai and Delhi (distance $=1260$ km), find the speed of Train C.
A contractor undertakes to build a wall in 50 days. He employs 50 people for the same. However, after 25 days he finds that only 40\% of the work is complete. How many more men need to be employed to complete the work in time?