Q11.
Which of the following represents ab = 64 ?
(a)8 : a = 8 : b .
(b) a : 16 = b : 4
(c) a : 8 = b : 8.
(d) 32 : a=b : 2
(e) None of these
Q12.
The ratio of the number of students studying in school
A, B and C is 5 : 8 : 4 respectively. If the number of
students studying in each of the school is increased by
20%, 25% and 30% respectively, what will be the new
respective ratio of the students in school A, B and C ?
(a) 13 : 25 : 15
(b) 20 : 25 : 13
(c) 15 : 25 : 13
(d) Cannot be determined
(e) None of these
Q13.
When 30% of one number is subtracted from another
number, the second number reduces to its own fourfifth.
What is the ratio between the first and the
second numbers respectively?
(a) 4 : 7
(b) 3 : 2
(c) 2 : 5
(d) Cannot be determined
(e) None of these:
Q14.
The largest and the second largest angles of a triangle
are in the ratio of 3 : 2 respectively. The smallest angle
is 20% of the sum of the largest and the second largest
angles. What is the sum of the smallest and the second
largest angles ?
(a)80
(b)60
(c)100
(d)90
(e) None of these
Q15.
The ratio between the angles of a quadrilateral is 7 : 2
: 5 : 6 respectively. What is the sum of double the
smallest angle and half the largest angle of the
quadrilateral?
(a)162
(b)198
(c)99
(d)135
(e) None of these
Q16.
The angles of a quadrilateral are in the ratio of 2 : 4 : 7
: 5. The smallest angle of the quadrilateral is equal to
the smallest angle of a triangle. One of the angles of
the triangle is twice the smallest angle of the triangle.
What is the second largest angle of the triangle?
(a)80
(b)60
(c)120
(d) Cannot be determined
(e) None of these
Q17.
The ratio between the angles of a quadrilateral is 3 : 4
: 6 : 7. Half the second largest angle of the
quadrilateral is equal to the smaller angle of a
parallelogram. What is the value of adjacent angle of
the parallelogram ?
(a)136
(b)126
(c)94
(d)96
(e) None of these
Q18.
The ratio between the three angles of a quadrilateral
is 1 : 4 : 5 respectively. The value of the fourth angle of
the quadrilateral is 60. What is the difference between
the value of the largest and the smallest angles of the
quadrilateral ?
(a)120
(b)90
(c)110
(d)100
(e) None of these
Q19.
Mr. Pandit owned 950 gold coins all of which he
distributed amongst his three daughters Lalita, Amita
and Neeta. Lalita gave 25 gold coins to her husband,
Amita donated 15 gold coins and Neeta made
jewellery out of 30 gold coins. The new respective
ratio of the coins left with them was 20 : 73 : 83. How
many gold coins did Amita receive from Mr. Pandit?
(a)380
(b)415
(c)400
(d)350
(e) None of these
Q20.
The largest and the second largest angles of a triangle
are in the ratio of 13 : 12 respectively. The smallest
angle is 20% of the sum of the largest and the second
largest angles. What Is the sum of the smallest and the
second largest angles ?
(a)120
(b)108
(c)100
(d)102
(e) None of these
