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DRDO Multi tasking staff Model paper 5
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© examsnet.com
Question : 89
Total: 100
A number is mistakenly divided by 10 instead of being multiplied by 10. Find the percentage change in the result due to this mistake.
99% decrease
95% decrease
90% decrease
98% decrease
Validate
Solution:
Let the number be x
The wrong result = x/10
The correct result = 10x
Hence the percentage change = (x/10 – 10x)/10x × 100
= -99%
Hence a decrease of 99%
© examsnet.com
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