Simplification Questions with Solutions for Bank PO
If 2x + 3y - 5z = 18 , 3x + 2y + z = 29 and x + y + 3z = 17 , then what is the value of xy + yz + zx ?
(A) 32
(B) 46
(C) 64
(D) 52
Correct Answer : D
In a group of 15 women, 7 have nose studs, 8 have ear rings and 3 have neither. How many of these have both nose studs and ear rings?
(A) 0
(B) 2
(C) 7
(D) 3
Correct Answer : D
If $$ {(x-2)^{2}+(y-{1\over2})^{2}}=0$$, then the value of $$ {x\over y}$$ is
(A) $$ {1\over 4}$$
(B) 2
(C) 1
(D) 4
Correct Answer : D
The value of $$ {5-[2+3(2-2× 2 +5)-5]÷5}\over {4×4÷4}of(4+4÷4 of 4)$$ is:
(A) $$ {3}{3\over 16}$$
(B) $$ {4}{3\over 80}$$
(C) $$ {2\over 5}$$
(D) $$ {7}{3\over 5}$$
Correct Answer : B
What is the value of $${0.74×1.23×0.13\over (0.37)^{3}+(0.41)^{3}-8(0.39)^{3}}$$ ?
(A) 1
(B) $$ {-1\over 3}$$
(C) $$ {1\over 3}$$
(D) -1
Correct Answer : B
The value of $$ {\sqrt{0.6912}+{\sqrt{0.5292}}\over {\sqrt{0.6912}-{\sqrt{0.5292}}}}$$ is:
(A) 15
(B) 1.5
(C) 0.9
(D) 9
Correct Answer : A
What is the value of x $$ {0.081\over x}={0.09\over10}$$ ?
(A) 0.9
(B) 0.09
(C) 9
(D) 0.0009
Correct Answer : C
If $$ {3\sqrt{{1-a}\over{a}}}+9={19-3\sqrt{{a}\over{1-a}}}$$, then what is the value of a?
(A) $${3\over10},{7\over10}$$
(B) $${1\over10},{9\over10}$$
(C) $${2\over5},{3\over5}$$
(D) $${1\over5},{4\over5}$$
Correct Answer : B
By what least number should 4320 be multiplied so as to obtain a number which is perfect cube?
(A) 60
(B) 80
(C) 40
(D) 50
Correct Answer : D
A tourist spends daily as many rupees as the number of days of his total tour. If his total expenses were ₹ 361, then how many days did his tour last?
(A) 21 days
(B) 31 days
(C) 17 days
(D) 19 days
Correct Answer : D
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Vikram Singh
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