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Browse complete papersOzone at the higher levels of the atmosphere is a product of _________ molecule.
UV radiation acting on Hydrogen
UV radiation acting on Helium
UV radiation acting on Oxygen
UV radiation acting on Nitrogen
Correct answer
UV radiation acting on Hydrogen
A bearing or other device is needed to hold the beam in ________ lever/levers.
Class 1 and 3
Class 2
Class 3
Class 1
Correct answer
Class 1 and 3
Two resistors, one of 20 Ω and the other of 30 Ω are connected in parallel. This combination is connected in series with an 8 Ω resistor and a 12 V battery. The current in the 30 Ω resistor is __________.
0.24 A
0.90 A
0.36 A
0.60 A
Correct answer
0.24 A
Who is elected as the new President of Badminton Association of India (BAI) in the year 2018?
Prakash Padukone
P. Gopichand
Saina Nehwal
Himata Biswa Sarma.
Correct answer
Prakash Padukone
The graph of 2x = 5 - 3y cuts the x-axis at the point P (α, β) . The value of (2α + β) is:
3
5
2
8
Correct answer
3
The LCM of two numbers is 48. Their ratio is 2:3. What is the sum of the numbers?
24
48
30
40
Correct answer
24
When you convert an inch from British to an SI unit, it becomes _____cm.
25.4
12
0.254
2.54
Correct answer
25.4
What is the least number which, when multiplied by 28, forms a perfect square?
14
2
4
7
Correct answer
14
If C% D means C is the mother of D, C $ D means C is the wife of D, and if C & D means C is the son-in-law of D, then what does W % X $ Y & Z mean?
W is the daughter of son of Z
Z is wife of W
Z is the daughter of W
Z is the husband of W
Correct answer
W is the daughter of son of Z
Reflection of the point (2, 3) on the X-axis is:
(−2, 3)
(2, −3)
(−2, −3)
(3, 2)
Correct answer
(−2, 3)