Important Paper Mathematics (Mock Test)
1. When is a real number ‘a’ called as the zero of the polynomial f(x)?
(A) f(0) = a
(B) f(a) = a
(C) f(a) = a
(D) f(a) = a
ANS [ c ]
2. For any positive integer n, n3, -n is always divisible by _____.
(A) 7
(B) 6
(C) 5
(D) 8
ANS [b ]
3. Four equal sized maximum circular plates are cut off from a square paper sheet of area 784 cm2 . Find the circumference of each plate.
(A) 22 cm
(B) 44 cm
(C) 66 cm
(D) 88 cm
ANS [ b ]
4. If, AB and AC have equal lengths. What is the value of K ?
(A) -7
(B) -5
(C) -4
(D) -3
ANS [ d ]
5. The angle of elevation of a cloud from a point 60 m above a lake is 30 and the angle of depression of its image in lake is 60 . Find the height of the cloud.
(A) 120 m
(B) 100 m
(C) 80 m
(D) 40 m
ANS [ a ]
6. Seven equal cubes each of side 5 cm are joined end to end. Find the surface area of the resulting cuboid.
(A) 750 cm2
(B) 1500 cm2
(C) 2250 cm2
(D) 700 cm2
ANS [ a ]
7. A regular hexagon is inscribed in a circle of radius 14 cm. Find the area of the circle falling outside the hexagon.
(A) 106.79 cm2
(B) 241. 8 cm2
(C) 79.27 cm2
(D) 173.9 cm2
ANS [ a ]
8. A manufacturer of T.V sets produces 600 units in the 3rd year and 700 units in the 7th year. Assuming that the production increases uniformly by a fixed number every year, find the total production in 7 years?
(A) 4375 units
(B) 4325 units
(C) 4475 units
(D) 4425 units
ANS [ a ]
9. The sum of Raju’s age and half of Ayan’s age is 4. One-third of Raju’s age added to twice of Ayan’s age is 5. Find the sum of their ages.
(A) 7 years
(B) 3 years
(C) 5 years
(D) 2 years
ANS [ c ]
10. The area of the circular path is 462 sq. cm and the area of the inner circle is 154 sq. cm. what is the area of the area of the outer circle?
(A) 616 cm2
(B) 308 cm2
(C) 154 cm2
(D) 462 cm2
ANS [ a ]
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