Question Paper Mathematics Mock Test
1. In a class of 100 students , the mean marks obtained in ;a subject is 30 and in another class of 50 students , the mean marks obtained in the same subject is 60 . what is the mean marks obtained by the students of two classes taken together ?
(A) 40
(B)45
(C)48
(D)50
ANS [ a ]
2. The age of a man is the square fo his son’s age A year ago , the man’s age was 8 times the age of his son what is the present age of the man ?
(A) 47yr
(B)49 yr
(C)36 yr
(D)48 yr
ANS [ b ]
3. A bucket of height 16 cm made up of metal sheet is in the form of frustum of a right circular cone with radii of its lower and upper ends as 3cm and 15 cm respectively what is the slant height of the bucket ?
(A) 15cm
(B)20cm
(C) 5cm
(D) 12cm
ANS [ b ]
4. How many three digit numbers are divisible by 6?
(A) 102
(B)150
(C) 151
(D)966
ANS [ b ]
5. If mean : median of a certain data is 2:3 , What is the ratio of its mode and mean
(A)3:2
(B)5:2
(C)3:5
(D)2:3
ANS [ b ]
6. If there are 3 A.M ‘s between 4 and 84 , find their sum .
(A)88
(B) 132
(C) 166
(D) 336
ANS [ b ]
7. A group of 616 students id t march behind an army band of 32 members in a parade . The two groups must march in the same number of columns . what can be the maximum number of columns in which they march
(A) 3
(B)8
(C)12
(D)4
ANS [ b ]
8. The first two terms of an A.P. are 27 and 24 respectively How many terms of the progression are to be added to get -30 ?
(A) 15
(B)20
(C)25
(D)18
ANS [ b ]
9. ABC is an isosceles triangle right –angled at B. Similar triangles ACD and ABE are constructed on sides AC and AB Find the ratio between the areas of .
(A) 1:22
(B)3:1
(C)1:3
(D)4:1
ANS [ a ]
10. A man arranges to pay off a debt of Rs. 36000 by 40 annual instilments which are in A .P. when 30 of the instilments’ are paid he dies leaving one –third of the debt unpaid Find the value of 12th instilment
(A) Rs. 510
(B) Rs.420
(C) Rs.525
(D) Rs.730
ANS [ d ]
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