Quantitative Aptitude PYQs

Find the ratio of wireless chargers sold by B to wired charges sold by A .

Find the difference between total chargers sold by A and B.

Find the sum of total chargers sold by B and wired chargers sold by A.

Shop D sold 20% more chargers than that of B and ratio of wired to wireless chargers is 2:1. Find difference between wire chargers sold by D and wireless chargers sold by A.

The cost of each wired chargers is Rs 20 and 10% profit earned by selling them. Find the total profit earned by A and B by selling wired chargers (in Rs).

Set A contains three consecutive multiples of 7, and set B contains five consecutive odd numbers. The largest number in set A is equal to the smallest number in set B. If the average of the smallest number in sets A and B is 28, then find the difference between the 2^nd smallest number in set A and the 2^nd largest number in set B.

If the LCM of 16, X and 40 is 160, then find which of the statement is /are sufficient to find the exact value of X.

I. X is an even number
II. X is multiple of 5.

Find the length of the train B.

I. The length of train A is the same as the length of train B.

II. The train A can cross a pole in 10 seconds, and the train can cross a 150-meter-long platform in 17.5 seconds.

A spend 25% of his monthly income on groceries and 20% of the remaining on rent, and the remaining amount he spends on EMI, clothes, and savings is in the ratio of 1:3:6, respectively. If the difference between the amount spent on rent and clothes is Rs 570, then find the monthly income of A (in Rs)

A shopkeeper marked the article 50% above its cost price and allowed a 20% discount. He earned Rs 40 profit. If he allowed a 25% discount on the article, then find the profit he earned (in Rs).

Q61. Seven years ago, the ratio of the age of A to B years ago was 5:3. The ratio of the age of A four years hence and B three years hence will be 36:25. Find the present age of B (in years).

Q62. The average weight of 12 boys and X girls is 15 kg and 10 kg respectively. If the average weight of boys and girls is 12.4 kg, then find X.

Q63. Rachit and Varun started a business with a combined investment of Rs 18000. After six months, Rachit withdrew Rs 2000, and at the end of the year, the profit share of Rachit is Rs 2200 out of the total profit o Rs 3400. Find the initial investment of Rachit (in Rs).

Q64. X men can complete a work in 15 days, and [Formula above] women can complete the same work in 12 days. 5 men and 6 women can complete the work in 12 days. Find the time taken (in days) by 8 men to complete the work.

Q65. The ratio of milk to water in a vessel is 5:3 respectively. If 32 liters of mixture are taken out and 4 liters of water are added to the mixture, then the ratio of milk to water becomes 3:2. Find the initial quantity of the mixture.

Q66. A man invested Rs X in compound interest at 20% p.a. for two years, and he invested the same amount in simple interest for three years at 21% p.a. If the difference between the interest is Rs 1900, then find X.

Q67. The perimeter of a rectangle B is 30% of the perimeter of a rectangle A. The breadth and length of the rectangle A are 16 cm and 24 cm, respectively. If the length of rectangle B is 1/3^rd that of rectangle A, then find the area of rectangle B (in sq. cm).

Q68.

I. x² – 18x + 65 = 0
II. y² – 29y + 208 = 0

Q69.

I. x² – 15x + 50 = 0
II. y² – 12y + 35 = 0

Q70.

I. x² – 14x + 49 = 0
II. y² – 10y + 21 = 0