MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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There are two examination rooms A and B. If 10 students are shifted from A to B, then the number of students in each room is the same. If 20 candidates are shifted from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:

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Important Questions on Linear Equations

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 17
N number of persons contributed equally to raise ₹3 lakhs. Had each person contributed ₹500 extra, the total contribution would have been ₹5.5 lakhs. How many persons contributed the money?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 18
Eight persons equally share the cost of renting a car. If one person withdraws from the agreement and the others agree to share the entire cost of renting the car equally, then the share of each of the remaining persons increases by what part of his or her original share:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 19
In a classroom, if 6 students sit on every bench, then 1 more bench is required to accommodate all the students. However, if 7 students sit on every bench, then there is space for 5 more students. What is the number of students in the class?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 20
In a certain shop 6 oranges cost as much as the cost of 5 apples, 5 apples cost as much as the cost of 3 mangoes and 3 mangoes cost as much as the cost of 6 bananas. If 3 bananas cost Rs.4.80, the price of an orange is:
HARD
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 21
It costs Rs.x per shirt to stitch the first thousand shirts and Rs.y to stitch each subsequent shirt. If z is greater than 1,000, how much will it cost to stitch z number of shirts?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
General Studies Paper II (CSAT)>Chapter 3 - Linear Equations>Practice Exercise>Q 22
The taxi charges for a journey comprises a fixed charge and a variable charge which is according to the distance covered. For a journey of 15 km, the charges paid are Rs.125 and for a journey of 25 km, the charges paid are Rs.175. What are the taxi charges for a journey of 30 km?