Q7061.If x and y are any two positive real numbers then what is true for x > y?
Correct answer: –x < –y
Q7062.Which statement is true for the equation x2 –x– 12<0.
Correct answer: –3<x<4
Q7063.Three natural numbers x, y, z are such that the HCF of all three is '1' and x2 + y2 = z2 then how many such natural numbers can there be?
Correct answer: Infinite
Q7064.If x 7 4 3 = + = + then 1 x + =
Correct answer: 4
Q7065.The sum of first n natural number is 1 5 times the sum of their squares, then the value of n is:
Correct answer: 7
Q7066.The value of 4 8 16 log 2 log 2 log 2......... − + − + is
Correct answer: 1–loge2
Q7067.If x a x a y x a x a + − − + − − + − − + − − = + + − + + − + + − + + − then 2 1 y y + will be equal to
Correct answer: 2x/a
Q7068.The value of 16 25 81 log 2 16log 12log 7log 15 24 80 + + + + + + + + + + + + e e e e is equal to
Correct answer: loge10
Q7069.A certain sum is invested at compound interest at 8% per year. In how many years will the amount be doubled?
Correct answer: (log102)/(log1027–log1025)
Q7070.How many real numbers are there in the interval (2,7)?
Correct answer: None of these
Q7071.4n 2 2n 1 3 5 + + + + is completely divisible by
Correct answer: 14
Q7072.A and B takes rounds of a circular path of radius 36 metres in the opposite direction starting from a fixed point O. When B reaches the starting point O at the first time he meets A at the third time (other than starting meet). Then the ratio of the speeds of A and B will be
Correct answer: 3: 1
Q7073.The sum of the radii of inscribed and circumscribed circles for an n sided regular polygon of side a is?
Correct answer: cot 2 2 a n π
Q7074.If (())) ((()) 5 5 1 2 log 13 / 2 log 9 2 1 27 − = K then K is equal to
Correct answer: 3/ 2 3/16 3 13 − ×
Q7075.If (())) ((())) ((()) 2 2 Px q 1 3 2x 3 2x 3 2x 3 + = + − − − Then:
Correct answer: p=2, q=0
EnglishRajasthan TGT 2016
Q7076.If each edge of a cube is increased by 50%, then increase in its surface area will be
Correct answer: 125%
EnglishRajasthan TGT 2016
Q7077.Which of the following statements are correct? A. The sum and difference of any two irrational numbers need not be irrational. B. Product of any two irrational numbers is irrational. C. For any two distinct irrational numbers a and b, the number a b is irrational.
Correct answer: Only A
EnglishRajasthan TGT 2016
Q7078.Sum of an integer and its square is
Correct answer: always an even number
EnglishRajasthan TGT 2016
Q7079.The number 1452 1872 is
Correct answer: Irrational number
EnglishRajasthan TGT 2016
Q7080.The digit in the unit position of the integer 1! 2! 3!..... 99! + + + + + + + + + + + + + + + + is
Correct answer: 3