The OSSSC LSI, Forester, FG Exam 2024 are crucial examinations that require a comprehensive understanding of various Arithmetic topics. To help aspirants prepare effectively, we have compiled a set of 30 competitive-level Arithmetic MCQs covering a wide range of subjects.
Top 30 MCQs Arithmetic for OSSSC LSI, Forester, FG
These 30 General Studies Multiple Choice Questions cover a diverse range of topics relevant to the OSSSC LSI, Forester, FG Exam 2024. Use these questions as a tool to assess your knowledge and enhance your preparation for the upcoming examination. Remember to review the explanations and expand your understanding of each topic to ensure a well-rounded preparation. Best of luck!
- A book seller had some apples. He sells 40% apples and still has 420 apples. What is the total number of apples he had originally?
A) 600
B) 700
C) 800
D) 900
Answer: B) 700 - Ram multiplied a number by 3/5 instead of 5/3. What is the percentage error in the calculation?
A) 36%
B) 48%
C) 64%
D) 72%
Answer: C) 64% - If 20% of x = y, what is the value of y% of 20 in terms of x?
A) 2% of x
B) 3% of x
C) 4% of x
D) 5% of x
Answer: C) 4% of x - Three students contested an election and received 1000, 5000, and 10000 votes, respectively. What is the percentage of the total votes the winning student gets?
A) 25%
B) 40%
C) 50%
D) 62.5%
Answer: D) 62.5% - If the price of a product is first decreased by 25% and then increased by 20%, then what is the percentage change in the price?
A) 5% decrease
B) 5% increase
C) 10% decrease
D) 10% increase
Answer: A) 5% decrease - The value of a Refrigerator depreciates at the rate of 10% every year. If its present value is Rs. 8748, then what was the price of the Refrigerator three years ago?
A) Rs. 8000
B) Rs. 10000
C) Rs. 12000
D) Rs. 15000
Answer: C) Rs. 12000 - For a student to clear an examination, he must score 55% marks. If he gets 120 and fails by 78 marks, what is the total marks for the examination?
A) 320
B) 360
C) 400
D) 440
Answer: B) 360 - By how much is 80% of 40 greater than 4/5 of 25?
A) 8
B) 10
C) 12
D) 14
Answer: C) 12 - A number is decreased by 10% and then increased by 10%. The number so obtained is 10 less than the original number. What was the original number?
A) 900
B) 1000
C) 1100
D) 1200
Answer: B) 1000 - What is the percentage of ratio 5:4?
A) 105%
B) 110%
C) 115%
D) 125%
Answer: D) 125% - The average weight of 24 students of section A of a class is 58 kg, whereas the average weight of 26 students of section B of the same class is 60.5 kg. Find the average weight of all the 50 students of the class.
A) 59 kg
B) 59.3 kg
C) 60 kg
D) 60.5 kg
Answer: B) 59.3 kg - The average weight of 25 persons is increased by 2 kg when one of them whose weight is 60 kg is replaced by a new person. What is the weight of the new person?
A) 90 kg
B) 95 kg
C) 100 kg
D) 110 kg
Answer: D) 110 kg - What is the average of odd numbers from 1 to 40?
A) 19
B) 20
C) 21
D) 22
Answer: B) 20 - Find the average of squares of the first 19 consecutive even numbers.
A) 510
B) 520
C) 530
D) 540
Answer: B) 520 - Find the average of squares of consecutive odd numbers from 1 to 31.
A) 320
B) 330
C) 340
D) 341 - Question: The area of a square plot is 144 square meters. What is the perimeter of the plot?
A) 36 meters
B) 48 meters
C) 24 meters
D) 12 meters
Answer: B) 48 meters - Question: A circular park has a radius of 14 meters. What is the area of the park?
A) 154π square meters
B) 196π square meters
C) 294π square meters
D) 392π square meters
Answer: B) 196π square meters or 616 square meters - Question: A rectangular swimming pool measures 10 meters by 5 meters. What is its perimeter?
A) 20 meters
B) 25 meters
C) 30 meters
D) 40 meters
Answer: C) 30 meters - Question: The diameter of a circle is 28 cm. What is its circumference?
A) 14π cm
B) 28π cm
C) 42π cm
D) 56π cm
Answer: B) 28π cm or 176 cm - Question: The length, breadth, and height of a rectangular box are 8 cm, 5 cm, and 4 cm, respectively. What is its volume?
A) 160 cubic centimeters
B) 120 cubic centimeters
C) 100 cubic centimeters
D) 80 cubic centimeters
Answer: A) 160 cubic centimeters - Question: The base radius of a cone is 6 cm, and its slant height is 10 cm. What is its curved surface area?A) square centimeters
B) square centimeters
C) square centimeters
D) square centimeters
Answer: B) square centimetersAnswer: D) 341
- Question: The radius of a cylinder is 7 cm, and its height is 10 cm. What is its total surface area?
A) 274π square centimeters
B) 60π square centimeters
C) 314π square centimeters
D) 324π square centimeters
Answer: B) 60π square centimeters - Question: A cylindrical tank has a radius of 4 meters and a height of 6 meters. What is its volume?
A) 48π cubic meters
B)64π cubic meters
C)96π cubic meters
D)128π cubic meters
Answer:C)96π cubic meters - Question: The diameter of a hemisphere is 10 cm. What is its total surface area?
A) 100π square centimeters
B) 75π square centimeters
C) 200π square centimeters
D) 250π square centimeters
Answer: B) 75π square centimeters - Question: The radius of a sphere is 9 cm. What is its volume?
A) 972π cubic centimeters
B) 1944π cubic centimeters
C) 2916π cubic centimeters
D) 3888π cubic centimeters
Answer: A)972π cubic centimeters - Question: A boy was asked to multiply a certain number by 50. He multiplied it by 30 and got his answer less than the correct one by 400. The number to be multiplied was:
(a) 10
(b) 20
(c) 30
(d) 40
Answer: (b) 20 - Question: 0.6 of a number is equal to 0.08 of another number. The ratio of the numbers will be:
(a) 3 : 4
(b) 4 : 3
(c) 2 : 15
(d) 2 : 9
Answer: (b) 4 : 3 - Question: 3/7 of a number exceeds 2/5 of the same number by 10. The number is:
(a) 125
(b) 150
(c) 175
(d) 200
Answer: (c) 175 - Question: The sum of three consecutive odd natural numbers, each divisible by 3, is 72. What is the largest among them?
(a) 21
(b) 24
(c) 27
(d) 36
Answer: (c) 27 - Question: A can complete a work in 12 days, and B can complete the same work in 18 days. In how many days can A and B together complete the work?
(a) 5 days
(b) 6 days
(c) 7 days
(d) 8 days
Answer: (b) 6 days
