Question
If P denotes 'Addition’, Q denotes 'Division’, R
denotes ‘Multiplication’ and S denotes ‘Subtraction’, then which of the statements given below is/are correct. Statement I: 32 Q 4 P 16 S 4 R 2 = 24 Statement II: 27 Q 3 R 2 P 5 S 7 = 16Solution
Statement I: 32 Q 4 P 16 S 4 R 2 = 24 32 ÷ 4 + 16 – 4 x 2 = 24 8 + 16 – 8 = 24 16 ≠ 24. Statement II: 27 Q 3 R 2 P 5 S 7 = 16 27 ÷ 3 x 2 + 5 – 7 = 16 9 x 2 + 5 – 7 = 16 18 + 5 – 7 = 16 11 + 5 = 16 16 = 16
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
The ratio of the specific heats CP/ CV for a triatomic gas is approximately:
Which of the following organic compounds undergo nucleophilic substitution reaction most easily?
_____ is the movement of chemicals in the upper layers of soil into lower layers or into groundwater by being dissolved in water.
Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
Newton's first law of motion gives the concept of –
The motion of an object under free fall is an example of which of the following?
Adding which substance gives a blue color to glass?
Air coolers are more suitable for –
Magnesium oxide (MgO) + Water (H2O) = ?
Relevant for Exams:
