mathematical aptitude

if fraction form is 1/9 then its percentage is

• 11.11%

• 11.11

• 11.23%

• 11.21%

if 20% of a = b then b % of 20 is the same as :

• 4% of b

• 4% of a

• 4 % of ab

• none of these

average of 15 numbers is zero. at most how many numbers may be greater than zero.

• 9

• 14

• 15

• 0

the average of the first of 5 multiples of 3 is :

• 12

• 15

• 9

• 23

175% of 500 is:

• 87.5

• 85.7

• 875

• 8.75

The average of four consecutive even numbers is 20.find the second and third numbers.

• 4,6

• 5,7

• 7,9

• 4,5

Find the sum of first 50 natural numbers.

• 12.75

• 1275

• 1.275

• 127.5

Two numbers A and B are such that the sum of 5% of A and 4% of B is two - third of the sum of 6 % of A and 8% of B. Find the ratio of A:B.

• 4:3

• 3:4

• 4:5

• 4:6

A student multiplied a number by 3/5 instead of 5/3. what is the percentage error in the calculation?

• 65%

• 64%

• 56%

• 63%

A batsman scored 110 runs which included 3 boundaries and 8 sixes. What is his total score did he make by running between the wickets?

• 45.54%

• 45.45%

• 45.65%

• 45.57%