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Interview Mental Math - 4
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Interview Mental Math - 4
1.
Click the correct answer. Do not use a calculator: 55 - 33 = 24 - ?
a. 12
b. 2
c. 14
d. 3
1.
Click the correct answer. Do not use a calculator: 55 - 33 = 24 - ?
a. 12
b. 2
c. 14
d. 3
3.
What is 10% of 10?
a. 1.2
b. 1.1
c. 2
d. 1
4.
The average of four numbers is 7. If the average of first three numbers is 8 then find the fourth number?
a. 3.5
b. 3
c. 4
d. 4.5
5.
What is the loss in percent, if a book costing Rs.110 is sold for Rs.100?
a. 11%
b. 9.8%
c. 10%
d. 9%
6.
If 6 men can do a work in 20 days, how many days will 8 men take?
a. 16 Days
b. 14 Days
c. 18 Days
d. 15 Days
7.
What is 90% of 90?
a. 81
b. 90
c. 81.1
d. 80.9
8.
A Father is twice as old as his son. Sum of their ages is 60 years. Find the age of father?
a. 35 years
b. 38 years
c. 40 years
d. 45 years
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