Duck billed platypus and Echidna are
A) Coelenterals
B) Rodents
C) Marsupials
D) Egg laying mammals
1 Answers
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If vectors A = B + C and magnitudes of A, B and C are 5, 4 and 3 unit respectively, then angle between A and B is
Correct option is: (B) cos-1 (4/5)
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A and B are the volumes of a pyramid and a right prism respectively. If the pyramid and the prism have the same base area and the same height, then wh
Correct Answer - `A=(B)/(3)`
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If the three elements X,Y and Z form a triad and atomic weights of X and Z are 9 and 40 respectively then the atomic weight of an element y is _______
Correct Answer - 24.5
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10. Lymph differs from blood in possessing (1) More proteins and less waste products (2) Less proteins and more waste products (3) More proteins and more waste products (4) Less proteins and less waste products
(2) Less proteins and more waste products
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Let `f : R to R : f (x) = x^(2) + 2 "and " g : R to R : g (x) = (x)/(x-1) , x ne 1 .` Find f o g and g o f and hence find (f o g) (2) and ( g o f) (-3
Correct Answer - `(f o g) (x) = (x^(2))/((x-1)) + 2 (g o f) (x) =(x^(2)+2)/(x^(2)+1)` `(f o g ) (2) =6 , (g o f) (-3) =(11)/(10)`
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If ` A ={2x:x in N and 1 le x lt 4}, B= {(x+2): x in N and 2 le x lt 5}` } and `C = {x:x in N and 4 lt x lt 8}`, find : (i) ` A cap B` (ii)` A cup B`
Correct Answer - (i) `{4,6}` (ii) ` {2,4,5,6}` (iii) ` {5,6}`
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Find the GM between the numbers (i) 5 and 125 (ii) 1 and `9/16` (iii) 0.15 and 0.0015 (iv) -8 and -2 (v) -6.3 and -2.8 (v) `a^(3)b` and `ab^(3)`
Correct Answer - (i) 25 (ii) `3/4` (iii) 0.015 (iv) -4 (v) -0.42 (vi) `a^(2)b^(2)`
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Find the slope and the equation of the line passing through the points: (i)(3,-2) and (-5,-7) (ii)(-1,1) and (2,-4) (5,3) and (-5,-3) (iv) (a,b) and (
Correct Answer - `(i)(5)/(8), 5x-8y-31=0 (ii)(-5)/(3), 5x+3y+2=0` (iii)`(3)/(5),3x-5y=0 (iv)0,y=b`
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Egg laying mammals are – A) Kangaroo and Bat B) Echidna and Platypus
B) Echidna and Platypus
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What is the flightless bird ? A) Duck B) Cock C) Pigeon D) Ostrich
Correct option is D) Ostrich
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