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Arithmetic
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SSC CGL 2025 Second Shift 📅 12 Sep, 2025

A company placed an order for 20 high-end laptops and some quantity of standard desktops. The price of a high-end laptop was 5 times that of a standard desktop. Due to a mistake, the number of laptops and desktops was interchanged in the delivery. This caused the total bill to increase by 80%. What was the ratio of the number of high-end laptops to standard desktops in the original order?

A
1:2
B
2:1
C
5:2
D
2:5
Result Summary
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SSC CGL
2025 • 12 Sep, 2025 • Second Shift
A company placed an order for 20 high-end laptops and some quantity of standard desktops. The price of a high-end laptop was 5 times that of a standard desktop. Due to a mistake, the number of laptops and desktops was interchanged in the delivery. This caused the total bill to increase by 80%. What was the ratio of the number of high-end laptops to standard desktops in the original order?
Correct Answer
2:5
Let desktops be x. Old cost = 20*5 + x*1 = 100+x. New cost = x*5 + 20*1 = 5x+20. 5x+20 = 1.8(100+x) => 3.2x = 160 => x=50. Ratio 20:50 = 2:5.[span_57](start_spa......
Ref/Book : 1771252791.pdf
Ref. Subject Maths
Chapter -
Ref. Topic Arithmetic
Pg. No -
💡 Analysis & Explanation
Let desktops be x. Old cost = 20*5 + x*1 = 100+x. New cost = x*5 + 20*1 = 5x+20. 5x+20 = 1.8(100+x) => 3.2x = 160 => x=50. Ratio 20 ▼
50 = 2:5.[span_57](start_span)[span_57](end_span)
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