15 questionswith explanationsfor RAS, Patwari, VDO and other Rajasthan exams
The production (in thousand tonnes) of four crops in a district is: Wheat: 2021 – 240, 2022 – 270, 2023 – 300 Mustard: 2021 – 150, 2022 – 135, 2023 – 180 Bajra: 2021 – 200, 2022 – 220, 2023 – 210 Gram: 2021 – 90, 2022 – 120, 2023 – 110 What is the total production of the four crops in 2022?
Answer: (1) 745 thousand tonnes
Explanation
270 + 135 + 220 + 120 = 745 thousand tonnes.
The production (in thousand tonnes) of four crops in a district is: Wheat: 2021 – 240, 2022 – 270, 2023 – 300 Mustard: 2021 – 150, 2022 – 135, 2023 – 180 Bajra: 2021 – 200, 2022 – 220, 2023 – 210 Gram: 2021 – 90, 2022 – 120, 2023 – 110 By what percentage did wheat production increase from 2021 to 2023?
Answer: (2) 25%
Explanation
Increase = 300 − 240 = 60; 60/240 × 100 = 25%.
The production (in thousand tonnes) of four crops in a district is: Wheat: 2021 – 240, 2022 – 270, 2023 – 300 Mustard: 2021 – 150, 2022 – 135, 2023 – 180 Bajra: 2021 – 200, 2022 – 220, 2023 – 210 Gram: 2021 – 90, 2022 – 120, 2023 – 110 What is the ratio of mustard production in 2023 to gram production in 2022?
Answer: (3) 3 : 2
Explanation
180 : 120 = 3 : 2.
The production (in thousand tonnes) of four crops in a district is: Wheat: 2021 – 240, 2022 – 270, 2023 – 300 Mustard: 2021 – 150, 2022 – 135, 2023 – 180 Bajra: 2021 – 200, 2022 – 220, 2023 – 210 Gram: 2021 – 90, 2022 – 120, 2023 – 110 What is the average annual production of bajra over the three years?
Answer: (4) 210 thousand tonnes
Explanation
(200 + 220 + 210)/3 = 630/3 = 210 thousand tonnes.
The production (in thousand tonnes) of four crops in a district is: Wheat: 2021 – 240, 2022 – 270, 2023 – 300 Mustard: 2021 – 150, 2022 – 135, 2023 – 180 Bajra: 2021 – 200, 2022 – 220, 2023 – 210 Gram: 2021 – 90, 2022 – 120, 2023 – 110 Consider the following statements: 1. Mustard production in 2022 was lower than in 2021. 2. The total production of the four crops increased every year from 2021 to 2023. Which of the statements given above is/are correct?
Answer: (2) Both 1 and 2
Explanation
Mustard fell from 150 to 135; totals were 680, 745 and 800, rising each year.
The number of tourists (in thousands) who visited four towns is: Town P: 2022 – 400, 2023 – 520 Town Q: 2022 – 250, 2023 – 300 Town R: 2022 – 150, 2023 – 180 Town S: 2022 – 200, 2023 – 220 By what percentage did the total number of tourists in the four towns increase from 2022 to 2023?
Answer: (4) 22%
Explanation
Totals: 1000 and 1220 thousand; increase 220/1000 × 100 = 22%.
The number of tourists (in thousands) who visited four towns is: Town P: 2022 – 400, 2023 – 520 Town Q: 2022 – 250, 2023 – 300 Town R: 2022 – 150, 2023 – 180 Town S: 2022 – 200, 2023 – 220 Which town recorded the highest percentage growth in tourists from 2022 to 2023?
Answer: (1) Town P
Explanation
Growth: P 30%, Q 20%, R 20%, S 10%; P is highest.
The number of tourists (in thousands) who visited four towns is: Town P: 2022 – 400, 2023 – 520 Town Q: 2022 – 250, 2023 – 300 Town R: 2022 – 150, 2023 – 180 Town S: 2022 – 200, 2023 – 220 Approximately what percentage of the total tourists in 2023 visited Town P?
Answer: (3) 42.62%
Explanation
520/1220 × 100 = 42.62% (approximately).
The monthly expenditure of a family is: Food: ₹12,000 Rent: ₹9,000 Education: ₹6,000 Transport: ₹3,000 Others: ₹6,000 What percentage of the total monthly expenditure is spent on food?
Answer: (4) 33⅓%
Explanation
Total = ₹36,000; 12,000/36,000 × 100 = 33⅓%.
The monthly expenditure of a family is: Food: ₹12,000 Rent: ₹9,000 Education: ₹6,000 Transport: ₹3,000 Others: ₹6,000 If this data is shown in a pie chart, what is the central angle of the sector for rent?
Answer: (1) 90°
Explanation
9,000/36,000 × 360° = 90°.
The monthly expenditure of a family is: Food: ₹12,000 Rent: ₹9,000 Education: ₹6,000 Transport: ₹3,000 Others: ₹6,000 By what percentage is the expenditure on rent more than the expenditure on transport?
Answer: (3) 200%
Explanation
(9,000 − 3,000)/3,000 × 100 = 200%.
Marks (out of 100) of four students in Hindi, Maths and Science are: Arjun: Hindi – 72, Maths – 85, Science – 78 Bhavna: Hindi – 80, Maths – 64, Science – 90 Chetan: Hindi – 66, Maths – 92, Science – 74 Divya: Hindi – 88, Maths – 70, Science – 82 Which student has the highest total marks in the three subjects?
Answer: (2) Divya
Explanation
Totals: Arjun 235, Bhavna 234, Chetan 232, Divya 240.
Marks (out of 100) of four students in Hindi, Maths and Science are: Arjun: Hindi – 72, Maths – 85, Science – 78 Bhavna: Hindi – 80, Maths – 64, Science – 90 Chetan: Hindi – 66, Maths – 92, Science – 74 Divya: Hindi – 88, Maths – 70, Science – 82 What is the average marks of the four students in Maths?
Answer: (1) 77.75
Explanation
(85 + 64 + 92 + 70)/4 = 311/4 = 77.75.
Marks (out of 100) of four students in Hindi, Maths and Science are: Arjun: Hindi – 72, Maths – 85, Science – 78 Bhavna: Hindi – 80, Maths – 64, Science – 90 Chetan: Hindi – 66, Maths – 92, Science – 74 Divya: Hindi – 88, Maths – 70, Science – 82 What is Divya's overall percentage in the three subjects?
Answer: (4) 80%
Explanation
240/300 × 100 = 80%.
The number of cars (in thousands) produced by two companies is: Company X: 2020 – 120, 2021 – 150, 2022 – 180, 2023 – 210 Company Y: 2020 – 100, 2021 – 140, 2022 – 160, 2023 – 200 What is the ratio of the total production of Company X to that of Company Y over the four years?
Answer: (2) 11 : 10
Explanation
X = 660, Y = 600 thousand; 660 : 600 = 11 : 10.