802 questions asked across 4 exam years, newest first
A container has a 100-litre mixture of acid and water in the ratio 4:1. 20 litres is removed and replaced with water. Then 20 litres is again removed and replaced with pure acid. What is the final percentage of acid?
Answer: D
Vidhya lent Rs. 6000 to Kavya for 3 years at the rate of 4% per annum compound interest. Calculate the amount that Vidhya will get after 3 years.
Answer: C
The price of a product is decreased by x% and then increased by x%. The final price becomes 10% less than the original. What is the value of x (approximately)?
Answer: A
A man got 10% of his investment as profit. If he invested Rs. 5000, and the profit was reinvested, what will be the total value after the second year with the same profit rate?
Answer: B
A dealer sells a packet of cookies at Rs. 120 after giving a 25% discount on the marked price. If the profit earned is 20%, find the cost price.
Answer: C
A wholesaler marks up a batch of 100 identical clocks by 80% on cost and offers a trade discount of 25% to retailers. A retailer purchases all the clocks and spends Rs. 48,000. What is the cost price per clock for the wholesaler?
Answer: A
A bathroom floor measures 3.5 m in length and 2 m in width. One of its walls, which is to be tiled fully, measures 2 m in length and 2.5 m in height. If square tiles of side 25 cm are used, and an extra 12% of tiles are purchased to cover cuts and wastage, how many tiles are needed in total?
Answer: A
A man spends 75% of his income. Due to inflation, his expenses increase by 20%, and his income increases by 10%. What is the percentage change in his savings?
Answer: D
A shopkeeper bought 100 pens at Rs 10 each. He sold 60 pens at 20% profit and the rest at 10% loss. What is the overall profit or loss percentage?
Answer: D
A seller gives a 20% discount and charges 18% GST on the discounted price. On a Rs. 2000 item, how much is payable?
Answer: A
A shopkeeper offers a festival deal, “Flat Rs. 150 off on every purchase above Rs. 1000.” What is the effective discount percentage if a buyer purchases an item marked Rs. 1200?
Answer: A
The average of three numbers is 35. The first number is 20% more than the second, and the third is 20% less than the second. What is the second number?
Answer: A
An electronics store orders 150 portable speakers at a cost of ₹400 each. The owner plans to price them so that selling only 120 speakers would guarantee a 40% profit on the total investment. However, a local event leads to the sale of 135 speakers. If the remaining speakers have no resale value, calculate the store's actual profit percentage on the total investment.
Answer: D
A large wooden box, open at the top, needs to be lined with fabric on its inner floor and inner four side walls. The inner dimensions of the box are 2.5 m length, 1.8 m wide, and 1.2 m high. If the fabric comes in square pieces of side 50 cm, and 15% extra fabric is needed for cuts and overlaps, how many approximate fabric pieces should be purchased?
Answer: C
A rectangular park is 60 m by 40 m. A semicircular pond of diameter 40 m is inside. What percent of the park's area does the pond occupy?
Answer: B
Out of her total monthly income, a woman spends 60% on household expenses and 15% on savings. The remaining is spent on other items. What percentage of her income is spent on these other items?
Answer: B
A's salary is 40% more than B's. If B's salary increases by 20% and A's increases by x%, then A's new salary becomes 25% more than B's new salary. What is the value of x?
Answer: B
A triangular prism has a base with area 45 cm and height 14 cm. If 10% of the prism is hollowed out for wiring, what is the volume of the solid part?
Answer: A
A seller offers a 40% discount on an item whose cost price is Rs. 720. Despite the discount, the seller earns a profit of 20%. What must be the marked price?
Answer: D
The compound interest on a certain sum for 3 years at 20% per annum is ₹864. Find the simple interest on the same sum at the same rate and period.
Answer: C
A value is increased by 30% and then decreased by an unknown percentage to return to the original value. What is the percentage decrease required?
Answer: A
If the selling price of an item is increased by 25% and the profit also increases from 20% to 30%, what is the percentage increase in the cost price?
Answer: D
A computer is sold at Rs. 7650 after applying a 15% discount. What was its market price?
Answer: C
A store announces a festive deal: "30% off on purchases above Rs. 10,000, and an additional Rs. 1,000 off if the total after discount exceeds Rs. 15,000." A customer buys items worth Rs. 25,000. How much does the customer finally pay?
Answer: A
A solution of 100 litres has a 60% salt concentration. How many litres of water must be added to reduce the concentration to 40%, and then how much pure salt must be added to bring the concentration back to 50%?
Answer: A
