Important Question Mock Test

Q1. if the H.C.F. of 210 and 55 is expressed in the form of 210 x5 +55 y , find the value of y 2

1. 381
2. 368
3. 361
4. 19

Q2. The three sides of a right triangle have integral lengths , which form an arithmetic progression . Choose one of he possible lengths from the given options .

1. 22
2. 58
3. 81
4. 361

Q3. The mean of 150 items was found to be 60 . Later on , it was discovered that the values of two items were taken as 52 and 8 instead of 152 and 88 respectively . Fijd the correct mean .

1. 6.15
2. 60.7
3. 61.2
4. 6.72

Q4. What is the ratio in which p (2.5 ) divides the line joining the points (8,2) and (-6,9) ?

1. 3:4
2. 1:3
3. 4:3
4. 1:4

Q5. 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 ?

1. 40
2. 45
3. 48
4. 50

Q6. 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 ?

1. 47yr
2. 49 yr
3. 36 yr
4. 48 yr

Q7. 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 ?

1. 15cm
2. 20cm
3. 5cm
4. 12cm

Q8. The sum to ‘n’ terms of an arithmetic sepuence is given by S n = (5n -3 ) What is its p th term ?

1. P (5P -3)
2. 5P -3
3. 2(5P -3)
4. 5P -7

Q9. How many three digit numbers are divisible by 6?

1. 102
2. 150
3. 151
4. 966

Q10. If mean : median of a certain data is 2:3 , What is the ratio of its mode and mean

1. 3:2
2. 5:2
3. 3:5
4. 2:3