Quantitative Aptitude - Arithmetic - TSD - In a 10 km race. A, B and C
Quantitative Aptitude - Arithmetic - TSD
Question
In a 10 km race. A, B,and C, each running at uniform speed, get the gold, silver, and bronze medals, respectively. If A beats B by 1 km and B beats C by 1 km, then by how many metres does A beat C?
Answer
1900
Solution
From CAT 2017 - Quantitative Aptitude - Arithmetic - TSD, we can see that,
Speed of A = Sa
Speed of B = Sb
Speed of C = Sc
Time taken by A (t) to travel 10 km = 10/Sa = 9/Sb = x(As B is behind

Read More...

Quantitative Aptitude - Arithmetic - Averages - A class consists of 20 boys
Quantitative Aptitude - Arithmetic - Averages
Question
A class consists of 20 boys and 30 girls. In the mid-semester examination, the average score of the girls was 5 higher than that of the boys. In the final exam, however, the average score of the girls dropped by 3 while the average score of the entire class increased by 2. The increase in the average score of the boys is
A) 9.5
B) 10
C) 4.5
D) 6
Answer
Option (A)
Solution
As per CAT 2017 - Qua

Read More...

Quantitative Aptitude - Arithmetic - Profit and Loss - If Fatima sells 60 identical toys
Quantitative Aptitude - Arithmetic - Profit and Loss
Question
If Fatima sells 60 identical toys at a 40% discount on the printed price, then she makes 20% profit. Ten of these toys are destroyed in fire. While selling the rest, how much discount should be given on the printed price so that she can make the same amount of profit?
A) 30%
B) 25%
C) 24%
D) 28%
Answer
Option (D)
Solution
As per CAT 2017 - Quantitative Aptitude - Arithmetic

Read More...

Quantitative Aptitude - Arithmetic - Profit and Loss - In a market, the price of medium quality
Quantitative Aptitude - Arithmetic - Profit and Loss
Question
In a market, the price of medium quality mangoes is half that of good mangoes. A shopkeeper buys 80 kg good mangoes and 40 kg medium quality mangoes from the market and then sells all these at a common price which is 10% less than the price at which he bought the good ones. His overall profit is
A) 6%
B) 8%
C) 10%
D) 12%
Answer
Option (B)
Solution
As per CAT 2017 - Q

Read More...

Quantitative Aptitude - Arithmetic - Ratios - A stall sells popcorn and chips
Quantitative Aptitude - Arithmetic - Ratios
Question
A stall sells popcorn and chips in packets of three sizes: large, super, and jumbo. The numbers of large, super, and jumbo packets in its stock are in the ratio 7 : 17 : 16 for popcorn and 6 : 15 : 14 for chips. If the total number of popcorn packets in its stock is the same as that of chips packets, then the numbers of jumbo popcorn packets and jumbo chips packets are in the ratio
A) 1: 1
B) 8: 7
C) 4: 3

Read More...

Quantitative Aptitude - Arithmetic - Percentages - The number of girls appearing
Quantitative Aptitude - Arithmetic - Percentages
Question
The number of girls appearing for an admission test is twice the number of boys. If 30% of the girls and 45% of the boys get admission, the percentage of candidates who do not get admission is
A) 35
B) 50
C) 60
D) 65
Answer
Option (D)
Solution
As per CAT 2017 - Quantitative Aptitude - Arithmetic - Percentages, we can see that
No of girls = g
No of boys = b
g = 2b
No of girls who do

Read More...

Quantitative Aptitude - Arithmetic - Ratios - Suppose, C1, C2, C3, C4, and C5
Quantitative Aptitude - Arithmetic - Ratios
Question
Suppose, C1, C2, C3, C4, and C5 are five companies.
The profits made by C1, C2, and C3 are in the ratio 9 : 10 : 8 while the profits made by C2, C4, and C5 are in the ratio 18 : 19 : 20.
If C5 has made a profit of Rs 19 crore more than C1, then the total profit (in Rs) made by all five companies is
A) 438 crore
B) 435 crore
C) 348 crore
D) 345 crore
Answer
Option (A)
Solution
As per CAT 2017

Read More...

Quantitative Aptitude - Arithmetic - TSD - A man travels by a motor boat
Quantitative Aptitude - Arithmetic - Time, Speed and Distance
Question
A man travels by a motor boat down a river to his office and back. With the speed of the river unchanged, if he doubles the speed of his motor boat, then his total travel time gets reduced by 75%. The ratio of the original speed of the motor boat to the speed of the river is
A) âˆš6 / âˆš2
B) âˆš7 / 2
C) 2âˆš5 / 3
D) 3: 2
Answer
Option (B)
Solution
As per CAT 2017 - Quantitative Aptitu

Read More...

Quantitative Aptitude - Arithmetic - Profit and Loss - If a seller gives a discount of 15%
Quantitative Aptitude - Arithmetic - Profit and Loss
Question
If a seller gives a discount of 15% on retail price, she still makes a profit of 2%. Which of the following ensures that she makes a profit of 20%?
A) Give a discount of 5% on retail price
B) Give a discount of 2% on retail price
C) Increase the retail price by 2%
D) Sell at retail price
Answer
Option (D)
Solution
CAT 2017 - Quantitative Aptitude - Arithmetic - Profit and

Read More...

Quantitative Aptitude - Arithmetic - Percentages - Ravi invests 50% of his
Quantitative Aptitude - Arithmetic - Percentages
Question
Ravi invests 50% of his monthly savings in fixed deposits. Thirty percent of the rest of hiâˆšâˆšs savings is invested in stocks and the rest goes into Ravi's savings bank account. If the total amount deposited by him in the bank (for savings account and fixed deposits) is Rs 59500, then Ravi's total monthly savings (in Rs) is
Answer
70000
Solution
As per the question from CAT 2017 - Quantitat

Read More...