Mathematics multiple choice (objective )type questions and answers:-
1) Three
numbers are in the ratio 1:2:3 and their HCF is 12. The numbers are
A)12,24,36
B)5,10,15
C)4,8,12
D)10,20,30
Ans:A
2) Pipe A
is an inlet pipe filling the tank at 8000l/hr. Pipe B empties the tank in 3
hours .The capacity of tank is
A)12000l
B)8000l
C)6000l
D)4000l
Ans:C
3)A tap
drips at a rate one drop /sec. 600 drops make 100ml. The number of litres
wasted in300 days
A)4320000
B)432000
C)43200
D)4320
Ans:D
4) The list
price of a shirt is 440 and a customer pays 396 for it .the discount rate is
A)10%
B)10.5%
C)20%
D)12%
Ans:A
5)A plate
was sold for 6300 after giving two successive discounts of 12.5% and 10%. Find
the marked price
A)7300
B)7700
C)8000
D)7250
Ans:C
6)Which of
the following represents a correct
proportion?
A)12:9=16:12
B)15:6=11:3
C)2:6=1:9
D)1:5=2:3
Ans:A
7)Ram
bought a number of orange at two for a rupee and an equal number at 3 for a
rupee. To make a profit of 20% she should sell a dozen for
A)6
B)7
C)14
D)15
Ans:A
8) A and B
are 20 km apart . A can walk at an average speed of 4 km/h and B at 6 km/h. If
they start walking towards each
other at 7 am, when they will meet?
A)8am
B)8.30am
C)9am
D)10am
Ans:C
9) If each
angle of a triangle is less than the sum of other two, then the triangle is
A)obtuse angled
B)right angled
C)acute angled
D)equilateral
Ans:C
10)If angle
bisector of of a triangle bisect the opposite side ,then what type of triangle
is?
A)right angled
B)scalene
C)similar
D)isosceles
Ans:D
11)The
graph x=a and y=b intersect at
A)(a,b)
B)(b,a)
C)(-a,b)
D)(a,-b)
Ans:A
12)In a
mathematics examination, the numbers scored by five candidates are 5 successive
odd integers. if their total mark is 185, the highest score is
A)39
B)43
C)41
D)37
Ans:C
13)A police
man starts to chase a thief. When the thief goes 10 steps the police man moves 8 steps . 5 steps of the
police man equal to 7 steps of thief. the ratio of the speeds of police man and thief is
A)20:15
B)22:24
C)28:25
D)21:15
Ans:C
14)The
compound interest on a certain sum of money for 2 years at k% annum is 410. The
simple interest on the same sum at the same rate and for the same time is
A)400
B)300
C)410
D)450
B)300
C)410
D)450
Ans:A
15) The
perimeters of a circle, a square and an equilateral triangle are same and their
areas are C,S,T respectively .Which of the following statement is true
A)C=S=T
B)C>S>T
C)C<S<T
D)S<C<T
Ans:B