Questions with Answer Mock Test
1. If some coins each of diameter 1.5 cm and thickness 0.2 cm are melted and a tight circular cylinder of height 10cm and diameter 4.5 cm is made , then find the number of coins
(A) 336
(B)450
(C)512
(D)545
ANS [ b ]
2. Three ropes are 7m , 12m 95 cm and 3m 85 cm long . what is the greatest possible length that can be used to measure these ropes ?
(A) 35cm
(B)55cm
(C) 1m
(D) 65cm
ANS [ a ]
3. The mean of 11 observations is 50 . if the mean of first six observations is 49 and that of last six observations is 52 which option is the sixth observation -
(A)55
(B)56
(C)57
(D)58
ANS [ b ]
4. if the hypotenuse of a right angled tri angle is 41 cm and the area of the triangle is 180 sq .cm , find the difference between the lengths of he legs of the triangle .
(A) 22cm
(B)25cm
(C) 27cm
(D) 31cm
ANS [ d ]
5. If the four sides of a quadrilateral ABCD are tangential to a circle , which of the following
(A) AC + AD = BD + CD
(B)AB+ CD =BC +AD
(C) AB +CD =AC +BC
(D) AC +AD= BC +AB
ANS [ b ]
6. if the H.C.F. of 210 and 55 is expressed in the form of 210 x5 +55 y , find the value of y2
(A)381
(B)368
(C)361
(D)19
ANS [ c ]
7. 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 .
(A)22
(B)58
(C)81
(D)361
ANS [ c ]
8. What is the degree of ( ( as a polynomial in ‘x’ )?
(A) 17
(B)12
(C)7
(D)5
ANS [ a ]
9. 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 .
(A) 6.15
(B)60.7
(C) 61.2
(D) 6.72
ANS [ c ]
10. What is the ratio in which p (2.5 ) divides the line joining the points (8,2) and (-6,9) ?
(A) 3:4
(B) 1:3
(C) 4:3
(D) 1:4
ANS [ a ]
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