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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