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self Math Questions and Answer Page 317

(#M40002103) SELF QUESTION Keep an EYE

In a class consisting of 75 students, 25 did not know typing, 45 knew shorthand and 10 knew neither typing nor shorthand.
How many students knew both typing and shorthand?
Choose one answer.

a. cannot be determined

b. 25

c. 20

d. 30

abhilash (14 years ago)

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(#M40002102) SELF QUESTION Keep an EYE

In a survey, 20% of a town has a car, and 10% have a bike. 1/3rd of the car owners also own a bike. What proportion of the town does not own either a car or a bike?

abhilash (14 years ago)

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(#M40002084) SELF QUESTION Keep an EYE

how many digits in
(1001)^1001

Ranjeet Verma (14 years ago)

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(#M40001961) SELF QUESTION pipe & Cistern Keep an EYE

Tap A can fill an empty tank in 6-hours and Tap B can empty the full tank in 8-hours. If the tank is empty when
tap A is opened at 9:00 am and tap B is opened at 11:00 am, then at what time is the tank filled?
a) 6:00pm b) 3:00 am c) 3:00pm d) 6:00am

Mohammad Danish Mumtaz (14 years ago)

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(#M40001959) SELF QUESTION Mensuration Keep an EYE

A hollow rectangular metal box of outer dimensions 30cmx24cmx18cm and of thickness 3cm is melted to
form a solid cube. What is the measure of side of the cube (in cm)?
a) 36 √36 b) 6 c) 18 3√36 d) 6 3√36

Mohammad Danish Mumtaz (14 years ago)

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(#M40001958) SELF QUESTION Boats & Streams Keep an EYE

A man can row at 6 km/h in still water and at 4 km/h upstream. How long will the man take to go to a place
1 km downstream and return?
a) 36 min b) 24 min c) 12 min d) 18min

Mohammad Danish Mumtaz (14 years ago)

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(#M40001957) SELF QUESTION time & distance Keep an EYE

A man can row at 6 km/h in still water and at 4 km/h upstream. How long will the man take to go to a place
1 km downstream and return?
a) 36 min b) 24 min c) 12 min d) 18min

Mohammad Danish Mumtaz (14 years ago)

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(#M40001956) SELF QUESTION time & distance Keep an EYE

Some telegraph poles are placed 20 m apart. How many poles will a train pass in 3-hours at 60km/h ?
a) 1200 b) 2500 c) 4000 d) 9000

Mohammad Danish Mumtaz (14 years ago)

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(#M40001955) SELF QUESTION Profit & Loss Keep an EYE

A person sold his watch for 96 $ and got some percentage of profit which was numerically equal to the cost
price. What is the cost price of the watch
a) 50 $ b) 54 $ c) 60 $ d) 80 $

Mohammad Danish Mumtaz (14 years ago)

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(#M40001954) SELF QUESTION Mango & Apple Keep an EYE

15-mangoes and 7-apples cost as much as 10-mangoes and 9-apples. What is the ratio of cost of one
mango to cost of one apple?
a) 2:5 b) 5:2 c) 3:4 d) Cannot be determin

Mohammad Danish Mumtaz (14 years ago)

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