Simplification Questions with Solutions for Bank PO
Q : When x = 1, then value of |2x – 1| + |x – 3| will be -
(A) 3
(B) -3
(C) 2
(D) -2
Correct Answer : A
If (x +y) = 6 and x2 + y2 = 20 then find the value of (x - y) 2.
(A) 6
(B) 10
(C) 2
(D) 4
Correct Answer : D
If a2 + a + 1 = 0 then the value of a9 is.
(A) 0
(B) 1
(C) 2
(D) 3
Correct Answer : B
If a + b + c = 12, a2 + b2 + c2 = 52, then what is ab + bc + ca equal to-
(A) 124
(B) 120
(C) 46
(D) 75
Correct Answer : C
Solve: 12–[26–{2+5×(6–3)}]
(A) 2
(B) 3
(C) 7
(D) 8
Correct Answer : B
Simplify : $$ {9\over 13} ÷{18\over 26}÷{90\over 52}$$
(A) $$ {45\over 26}$$
(B) $$ {13\over 45}$$
(C) $$ {26\over 45}$$
(D) $$ {45\over 13}$$
Correct Answer : C
If $$ {y={2x-1\over x+3}}$$ find x when y=1
(A) 4
(B) -4
(C) 3/2
(D) 4/3
Correct Answer : A
Simplify : $$ {(7) ^{2} ÷(7^{1\over 2})^{4}}$$
(A) $$ {1\over 14}$$
(B) 1
(C) 14
(D) 7
Correct Answer : B
If 0.5x + 0.7y=0.5 and 0.7x + 0.5y=0.7,then the value of x+y is
(A) 1.2
(B) 1
(C) 0.5
(D) 0.7
Correct Answer : B
If 12x – 15 y =9x + 5y, the value of $$ {x^{2}+{y^{2}}\over{x^{2}-y^{2}}}$$ is
(A) $$ {23\over 17}$$
(B) $$ {391\over 409}$$
(C) $$ {400\over 9}$$
(D) $$ {409\over 391}$$
Correct Answer : D
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Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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