10 Questions

Questions and Answers

- 1.If the radius of a circle is diminished by 10%, then its area is diminished by:
- A.
10%

- B.
19%

- C.
20%

- D.
36%

- 2.At what time after 4.00 p.m. is the minute's hand clock exactly aligned with the hour hand?
- A.
4:21:49.5

- B.
4:27:49.5

- C.
3:21:49.5

- D.
4:21:44.5

- 3.A shopkeeper sold a T.V set for Rs. 17,940 with a discount of 8% and earned a profit of 19.6%. What would have been the percentage of profit earned if no discount was offered?
- A.
24.8%

- B.
25%

- C.
26.4%

- D.
Cannot be determined

- E.
None of these

- 4.If (2x-y)=4 then (6x-3y) =?
- A.
15

- B.
12

- C.
18

- D.
10

- 5.What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
- A.
16

- B.
9

- C.
15

- D.
6

- 6.A person has 4 coins each of different denomination. What the number of different sums of money the person can form(using one or more coins at a time)?
- A.
16

- B.
15

- C.
12

- D.
11

- 7.A cow is tethered in the middle of the field with a 14 feet long rope. If the cow grazes 100 sq. ft. per dy, then approximately what time will be taken by the cow to graze the whole field?
- A.
2 days

- B.
6 days

- C.
18 days

- D.
24 days

- E.
None of these

- 8.The two colours seen at the extreme ends of the pH chart are:
- A.
Red and blue

- B.
Red and green

- C.
Green and blue

- D.
Orange and green

- 9.If the value of x lies between 0 and 1 which of the following
^{2}is the largest?- A.
X

- B.
X

^{2} - C.
-x

- D.
1/x

- 10.Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the job?
- A.
8 hrs

- B.
71/2 hrs

- C.
7 hrs

- D.
9 hrs