List of top Questions asked in CAT

Sujith says: - Multiplying first two digits by 3 gives all ones.
- Multiplying next two digits by 6 gives all twos.
- Multiplying last two digits by 9 gives all threes.
What is the sum of digits in the number?
If each X-Ray occupies 30MB and a new technology reduces space by 60%, what is the total magnetic media memory required to store all the X-Rays in the year 2000? (1MB = \(10^6\) Bytes)
In a bag there are a total of 150 coins in three denominations – Re.1, ₹2 and ₹5 – with at least one coin of each denomination. The total value of Re.1 coins is at least 50% of the total value of the coins. There are 23 ₹5 coins and the total value of ₹2 coins is at least 3% of the total value of coins. Find the number of ₹2 coins in the bag.
A table shows sales (in lakhs): Q1 (20), Q2 (25), Q3 (30), Q4 (35). What is the percentage increase from Q1 to Q4?

A table shows production (in units) of two factories: 

 

A table shows the number of students in three courses (A, B, C) across two years: 

The following table shows the sales (in thousands) of four products over three months. What is the total sales of Product A across all months? 

A pie chart shows expenses: Salaries (50%), Rent (30%), Utilities (20%). If Salaries are Rs. 25,000, what is the total expense?
In a class, 40 students take Math, 30 take Science, 20 take both. How many students are in the class?
In a tournament, 5 teams play each other once. Total matches are won as: Team A (3), B (2), C (1), D (0). How many matches did Team E win?
A table shows production (in units): Factory A (200, 250, 300), Factory B (150, 200, 250). What is Factory A's average production?
A, B, C, D, E sit in a row. B is not at an end, and C is to the left of D. How many arrangements are possible?
A, B, C, D sit around a circular table. A is opposite B. How many arrangements are possible?
In a group of 6 people, 3 are selected for a team. How many ways can the team be formed?
In a survey, 80% like Product X, 70% like Product Y, 60% like both. What percentage like neither?
A table shows expenses (in thousands): Rent (50), Food (30), Travel (20). What is the percentage of Rent in total expenses?
A table shows sales (in units): Product A (100, 120, 140), Product B (80, 100, 120) over 3 years. What is Product A's average sales?
A, B, C, D sit in a row. A is not next to B, and C is next to D. How many arrangements are possible?
Five books (P, Q, R, S, T) are arranged on a shelf. P is not at an end, and Q is next to R. How many arrangements are possible?
A pie chart shows market share: Company A (30%), B (25%), C (20%), D (15%), E (10%). If total market size is Rs. 50 crores, what is Company C's share?
A bar chart shows sales (in thousands): Product A (2010: 50, 2011: 60), Product B (2010: 40, 2011: 50). Which product has higher percentage growth?
Three brothers (A, B, C) divide 12 chocolates. A gets twice as many as B, and B gets twice as many as C. How many does A get?
In a class, 60% students play cricket, 50% play football, and 30% play both. How many students play at least one sport?
In a survey, 70% like Tea, 60% like Coffee, 50% like both. What percentage like only Tea?
A, B, C, D are four friends. A and B always sit together. How many ways can they sit in a row?