LOD 1
Q1. A businessman lends Rs.1800 in two parts at simple interest. He lends one part at 10% p.a. and other at 15% p.a. At the end of the year, the average interest worked out to be 11(⅓)% p.a. Find out the interest earned by the businessman from the part which was lent at 10% p.a
- a) Rs.140
- b) Rs.132
- c) Rs.125
- d) Rs.130
B
Q2. Italy scored 18 goals in 5 matches. The strikers accounted for of the total goals scored. What is the strikers’ average of goals per match?
- a) 1.8
- b) 1.7
- c) 1.6
- d) 1.5
C
Q3. The average age of a class of 30 students along with its class teacher is 14 years. When the Class teacher’s age is excluded from the count, the average age drops by 2 years. What is the teacher’s age?
- 35
- 42
- 74
- 59
C
Q4. The average marks obtained by 50 students in a class is 85. If the marks of the top four students are removed, then the average is reduced by 1 mark. Find the average mark of the top 4 students.
a) 98.5
b) 99
c) 98
d) 96.5
D
Q5. The average of first 10 even multiples of 13 would be
- 143
- 71.5
- 74
- 142
A
LOD 2
Q1) There are a group of students in an elevator whose maximum weight limit is 540 Kg. The
heaviest student, A, weighs 40 Kgs and the lightest weighs 32 Kgs. What is the maximum
number of students in the elevator?
a) 10 b) 16 c) 17 d) 15
B
Q2. Twelve men went to a hotel. Eleven of them paid 80 rupees each, while the twelfth one paid 55 rupees more than the average amount paid by the 12 men to settle the total bill. What was the total amount of the bill?
- a) Rs.1015
- b) Rs.1020
- c) Rs.1025
- d) Rs.1010
B
Q3. The average age of a cricket team of 11 players is the same as it was 3 years back because three of the players whose current average age is 33 years were replaced by three youngsters. What is the average age of the newcomers?
- a) 21 years
- b) 22 years
- c) 23 years
- d) 20 years
B
Q4. A student finds the average of 10 two-digit numbers. If the digits of one of the numbers are interchanged, the average increases by 2.7. The difference between the digits in that two digit number is
- a) 3
- b) 4
- c) 1
- d) 2
A
Q4. A student finds the average of 10 two-digit numbers. If the digits of one of the numbers are interchanged, the average increases by 2.7. The difference between the digits in that two digit number is
- a) 3
- b) 4
- c) 1
- d) 2
A
Q5. Having played 80 innings, M. Singh had an average of 99.4375 runs per innings. It is known that he scored 0 runs in his last innings. How many runs should he have scored in his last innings to have an average of 100?
- a) 5
- b) 25
- c) 40
- d) 45
D
LOD 3
Q1. At a science lab, a student was given 4 liters of a mixture of HCL and NaOH containing 20% NaOH. Out of curiosity, he added 1L of similar mixture containing 30% NaOH. He further added 1 liter of NaOH to the new mixture. What is the percentage of HCl in the resulting concoction?
- 35%
- 65%
- 25%
- 45%
A
Q2. Indian Batting Legend, Virat Kohli played a certain number of test matches in the year 2022. The average runs scored by him increases by 1 if his first 10 matches are not considered, and decreases by 1 if his last 10 matches are not considered. If the average runs scored by him for the first 10 and the last 10 matches are 20 and 30, respectively, then the total number of matches Kohli played in 2022 is
60
Q3. In January of a certain year, the average age of a Husband and Wife was 20 Years . After their first male child in January of 2020, the family’s average age decreased to 16. After their twin children were born, the family’s average age decreased to 12. What is the year and the average age of the family 5 years after the twin children were born?
- 2029, 17 Years
- 2030, 16 Years
- 2028, 15 Years
- 2029, 13 Years
A
Q4. In the PMO Office, the number of people aged 57 years and above is 30 and there are at most 39 people whose ages are below 57 years. The average age of all the people in the office is 44 years. What is the largest possible average age, in years, of the people whose ages are below 57 years?
- 35
- 36
- 37
- 34
D
Q5. A student wrote 6 three-digit numbers on the board. If he had written the reverses of two of the numbers A and B instead of the actual numbers, the average of the numbers would have been 115.5 less. The sum of the averages of the hundreds and the units digits of A and the hundreds and the units digits that of B is 9.5. Find the sum of the hundreds digits of A and B.
a) 12
b) 13
c) 18
d) 16
B