Aptitude Practice Question and Answer
8 Q: In the following questions two equations numbered I and II are given. You have to solve both the equations and ____
I.\(x^2 -218 = 106\)
II.\(y^2 - 37y + 342 = 0\)
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established
1869 05d85f494d0d7a00e4ecb7a62
5d85f494d0d7a00e4ecb7a62I.\(x^2 -218 = 106\)
II.\(y^2 - 37y + 342 = 0\)
Give answer
(A) x > y
(B) x ≥ y
(C) x < y
(D) x ≤ y
(E) x=y or the relationship cannot be established
- 1Afalse
- 2Bfalse
- 3Cfalse
- 4Dtrue
- 5Efalse
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Answer : 4. "D"
Q: If $$ {{x+1}\over4x}={5\over 2}$$ then what is the value of $$ 64x^6+1\over 8x^3 $$
1869 05ddcdd14e1ce690ab506aa1e
5ddcdd14e1ce690ab506aa1e- 1110false
- 2115true
- 3125false
- 4120false
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Answer : 2. "115"
Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number. 1869 05d19dc981388cd24f0860f15
5d19dc981388cd24f0860f15- 14.5false
- 25false
- 32false
- 44true
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Answer : 4. "4"
Explanation :
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Q: If bc+ab+ca=abc, then the value of $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ is
1869 05f2d2c7f79b9e641a76158c2
5f2d2c7f79b9e641a76158c2- 12false
- 21true
- 30false
- 4$$ {-1\over {2}}$$false
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Answer : 2. "1"
Q: A certain sum increases by 50 % in 5 years. Three sums x, y and z are lent for 10, 15 and 20 years respectively. If amount on each sum is equal, then find the ratio of x, y and z.
1869 06142c1fb71a4af142b0db182
6142c1fb71a4af142b0db182- 16 : 5 : 4false
- 29 : 4 : 6false
- 39 : 6 : 5false
- 49 : 6 : 4true
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Answer : 4. "9 : 6 : 4 "
Q: One of the four angles of a rhombus is 60°. If the length of each side of the rhombus is 8 cm, then the length of the longer diagonal is
1868 05dcb91bd85d84c59cfbb8d69
5dcb91bd85d84c59cfbb8d69- 18√3 cmtrue
- 28 cmfalse
- 34√3 cmfalse
- 416√3 cmfalse
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Answer : 1. "8√3 cm"
Q: A shopkeeper bought goods for Rs. 2025. He sold $$ {1\over 5}$$ th of it at 20% profit and the remaining at the profit of 5%, the profit per cent on the whole is
1868 05feda2d5d6478d501619b9f4
5feda2d5d6478d501619b9f4- 16%false
- 27%false
- 36.5%false
- 48%true
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Answer : 4. "8%"
Q: A distance is covered by a cyclist at a certain speed. If a jogger covers half the distance in double the time, the ratio of the speed of the jogger to that of the cyclist is
1868 05dd61e20a1c5834595c3a704
5dd61e20a1c5834595c3a704- 11 : 4true
- 24 : 1false
- 31 : 2false
- 42 : 1false
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