Mathematics
Grade-8
Easy

Question

The typing speed of Sophia is 35 WPM (Word Per Minute). The speed of Catherine is as follows.

The true statement among the following

  1. Sophia is 5 WPM faster than Catherina
  2. Catherina is 5 WPM faster than Sophia
  3. Sophia is 10 WPM slower than Catherina
  4. Catherina is 10 WPM slower than Sophia

The correct answer is: Catherina is 10 WPM slower than Sophia


    G i v e n comma
S o p h i a apostrophe s space w o r d space p e r space m i n u t e space equals space 35
C a t h e r i n e apostrophe s space w o r d space p e r space 5 space m i n u t e s space equals space 125
C a t h e r i n e apostrophe s space w o r d space p e r space 7 space m i n u t e s space equals space 175
C a t h e r i n e apostrophe s space w o r d space p e r space 11 space m i n u t e s space equals space 275

C a t h e r i n apostrophe s space w o r d space p e r space m i n u t e space equals space x space equals space open parentheses 125 over 5 close parentheses equals space open parentheses 175 over 7 close parentheses equals space open parentheses 275 over 11 close parentheses space equals space 25

H e n c e comma space C a t h e r i n e apostrophe s space s p e e d space i s space s l o w e r space t h a n space S o p h i a apostrophe s space s p e e d space b y space 10 space w o r d s.

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