Math Puzzles & Quiz Practice Set 8 | QuickBytes

153, 810 is divisible by all the numbers in the list except 8.

Hence, 8 must give the largest remainder.

Yellow light flashes every 15 seconds, Green light flashes every 20 seconds.Therefore, they will flash together after LCM of 20 and 15 i.e. every 60 seconds.

In every hour they will flash 3600/60 = 60 times.

Solve this question backwards and get the answer as 79 apples.

You can apply the formula as (apples in the end 2 + 1) and apply this formula as many times as is the number of persons to whom he has distributed the items given.

Since 20 boys and 20 girls eat 20 apples in 20 minutes, means they will eat lapple in 20 minutes.

Two cases are possible.

Number of fruits will be total no. of 1's,2's and3's and subtracting twice the no. of 4's.

Number of fruits at the end= Number of ( 's + 2' s + 3's ) - 2*Number of 4's = 14 - 6 = 8.

All numbers a re the same when flipped upside-down ( known as invertible numbers).

Only 1, 6, 8, 9 and 0 represent digits which when inverted produce the sa me digit or another digit (as in case of 6 and 9).

Clea rly, ( 52-32 )= 16, ( 122-82 )= 80, ( 342-272 )= 427,

So missing number is: ( 212-162 )= 185

3 trains which had already started before the start of Mr. Jain while 4 trains will be those which started after the start of Mr. Jain.

These will be the lockers number 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100

How much liquid is being moved does not matter

112 pairs of shoes = 224 shoes, 224 + 28 = 8

IF x = the number of men, then x + 2x + 4x = 35. Therefore 7x = 35, So X = 5.

72 + 12 x 100=600

1/8 x 1= 1cubicle