English Bihar (TRE 2.0)-2023
Q01. If log10(x -10) = 1, then the value of x is
A 1
B 10
C 20
D More than one of the above
E None of the above
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Correct answer: 20
English Bihar (TRE 2.0)-2023
Q02. Which of the following equalities is not correct?
A log10 10 = 1
B log (2 + 3) = log (2 × 3)
C log (1 + 2 + 3) = log 1 + log 2 + log 3
D More than one of the above
E None of the above
Show answer
Correct answer: log (2 + 3) = log (2 × 3)
English Bihar (TRE 2.0)-2023
Q03. If logx 9 16 = 1 - 2, then the value of x is
A 16/9
B 256/81
C - 9 16
D More than one of the above
E None of the above
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Correct answer: 256/81
English Bihar (TRE 2.0)-2023
Q04. The value of 3 2 1 log 18 is
A -2
B 2
C 3 2
D More than one of the above
E None of the above
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Correct answer: -2
English Bihar (TRE 2.0)-2023
Q05. If 10 log a = p and 10 log b = q then the value of log10(ap bp) is
A p + q/a + b
B p2/- q2
C p2/+ q2
D More than one of the above
E None of the above
Show answer
Correct answer: p2/+ q2
English Bihar (TRE 2.0)-2023
Q06. Which of the following steps is mandatory in the principle of mathematical induction?
A Inductive reference
B Inductive hypothesis
C Minimal set representation
D More than one of the above
E None of the above
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Correct answer: Inductive hypothesis
English Bihar (TRE 2.0)-2023
Q07. Which of the following is a ‘statement’?
A Roses are black
B Mind your own business
C Be punctual
D More than one of the above
E None of the above
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Correct answer: Roses are black
English Bihar (TRE 1.0) -2023
Q08. Consider the function f(n) = n5 – 2n3 + n, where n is a positive integer. Which of the following statements is not true?
A For every positive integer k, there exists a positive integer n such that f (n) is divisible by 2k.
B f(n) is even for every integer n ≥ 20.
C For every integer n ≥ 20 either f(n) is odd or f(n) is divisible by 4.
D More than one of the above
E None of the above
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Correct answer: For every integer n ≥ 20 either f(n) is odd or f(n) is divisible by 4.
English Bihar (TRE 1.0) -2023
Q09. Let p be a prime number and Np be the number of pairs of positive integers (x, y) such that 4 1 1 1 + = x y p Which among the following are possible values of NP?
A 0
B 4
C 9
D More than one of the above
E None of the above
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Correct answer: 9
Q10. If the remainder on division of x3 + 2x2 + kx + 3 by x – 3 is 21 then the value of k is:
A – 9
B 2
C – 2
D 9
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Correct answer: – 9
Q11. The largest number that will divide 789, 861 and 1069 leaving the remainders 7, 11 and 15 respectively is:
A 51
B 34
C 85
D 17
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Correct answer: 34
Q12. The mean marks of boys in a class is 52 and that of girls is 42. The mean marks of boys and girls combined in 50. The percentage of boys in the class is:
A 60
B 40
C 20
D 80
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Correct answer: 80
Q13. A two digit number is 4 times the sum of its digits and twice the product of the digits. The number is:
A 45
B 36
C 54
D 63
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Correct answer: 36
Q14. The area of a triangle is 5 square units. Two of its vertices are (2, 1) and (3, –2). The third vertex which lies on the line y = x + 3 is given by:
A –3 3 7 13, and, 2 2 2 2
B 3 9, 2 2
C 13 9, 2 2
D –7 13 3 3, and, 2 2 2 2 −
Show answer
Correct answer: –3 3 7 13, and, 2 2 2 2
Q15. The area of the figure formed by joining the mid-points of the adjacent sides of a rhombus with diagonals 12 cm and 16 cm is:
A 64 cm2
B 96 cm2
C 192 cm2
D 48 cm2
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Correct answer: 48 cm2
Q16. If p > 0 and q < 0, then:
A p – q ≤ p
B p – q > p
C p – q ≥ p
D p – q < p
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Correct answer: p – q > p
Q17. The diameters of the two circular ends of a bucket are 44 cm and 24 cm. The height of the bucket is 35 cm. The capacity of the bucket is:
A 34.7 litre
B 30.7 litre
C 35.7 litre
D 32.7 litre
Show answer
Correct answer: 32.7 litre
Q18. Construction company got another order for making a godown in which length of base is 2 times of the old one and height is 3 times of the old one. Ratio to volume of new and old godown is:
A 4: 1
B 6: 1
C 12: 1
D 8: 1
Show answer
Correct answer: 12: 1
Q19. Let 5 be the cost incurred for walls per square meter, then the cost C of constructing the godown is:
A C = 5(4x2 + 3xy)
B C = (3x2 + 4xy)
C C = (4x2 + 3xy)
D C = 5(3x2 + 4xy)
Show answer
Correct answer: C = 5(3x2 + 4xy)
Q20. Which of the following is the correct relation between V, x and y?
A V = x2 y
B V = xy
C V = x2 y2
D V = xy2
Show answer
Correct answer: V = x2 y