top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

How many of the 20 words did she spell correctly on the second attempt?

0 votes
42 views

In a home schooling spelling test consisting of 20 words, a girl spelled only two correctly at the first attempt.

After learning the spellings she tried the same 20 words again.

If her average over the two attempts was nine, how many of the 20 words did she spell correctly on the second attempt?

posted Jun 9, 2020 by Basabdatta Mukherjee

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

(2+x)/2 = 9
x = 16
She answered 16 correctly on her second attempt bringing average up to 9.

answer Jun 12, 2020 by Tejas Naik



Similar Puzzles
0 votes

Aanya had 20.80 m of cotton piece.
She cut 7 smaller pieces, each of length 0.81 m from it.
How many meters of cotton ( approx) were left?

+1 vote

Garima takes the underground train to work and uses an escalator at the railway station. If Garima runs up 8 steps of the escalator, then it takes her 30.0 seconds to reach the top of the escalator. If she runs up 15 steps of the escalator, then it takes her only 12.5 seconds to reach the top.

How many seconds would it take Garima to reach the top if she did not run up any steps of the escalator at all?

0 votes

Over 25 weeks, a student trying to save up for a much wanted item only managed to put aside an average of £2 per week.

He then found a part-time job and after a total of 45 weeks his average savings rose to £9 per week.

How much did he save on average each week for the 20 weeks after getting the job?

+1 vote

In each set, take one letter from the first word, one from the second, and so on to spell a word or phrase from the category in the title. You may not use any letter in a single word twice. When you are done, you'll have four words related to the category.

COPS
TARA
SEEN
TOAD
YAKS

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...