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Find the odd number 396, 462, 572, 427, 671, 264

Given Series is 396, 462, 572, 427, 671, 264 Here, the middle digit is the sum of first and third... View Article

Where have you seen crowds of people?

In and around temples, railway stations, bus stops, hospitals, cinema halls, shopping malls, fairs, parties, etc, are the places where... View Article

What is difference between habitat and ecosystem?

Habitat 1. The natural home of an organism is known as Habitat 2. Habitat is smaller than ecosystem 3. Lies... View Article

The price of a scooter was rs 34000 last year. It has increased by 20% this year. What is the price now?

Given Price of a scooter last year = Rs 34000 Now, the price has increased by 20% this year So,... View Article

What is Anabolism?

Anabolism is a biochemical process in metabolism where the simple molecules combine to generate complex molecules. This process is endergonic,... View Article

Which of the following contains the greatest number of atoms (A) 1 g of butane (B) 1 g of nitrogen (C) 1 g of silver (D) 1 g of water

1 g of butane Molecular mass of Butane (C4H10) = 58 g/mol There are 14 atoms in the molecule So,... View Article

The oxidation number of carbon in diamond is: (A) zero (B) +4 (C) -4 (D) +2

Zero Both diamond and graphite are allotropes of carbon and the oxidation state of an element in its free state... View Article

The oxygen dissociation curve is (A) Parabola (B) Slope (C) Sigmoid (D) Straight line

Sigmoid A sigmoid or S-shaped curve is obtained when the percentage saturation of oxygen is plotted against the partial pressure... View Article

A tyre manufacturing company kept a record of the distance covered before a tyre needed to be replaced. The table shows the results of 1000 cases. If a tyre is bought from this company, what is the probability that : (i) it has to be substituted before 4000 km is covered? (ii) it will last more than 9000 km? (iii) it has to be replaced after 4000 km and 14000 km is covered by it?

Given Distance(in km) Less than 4000 4000 to 9000 9001 to 14000 More than 14000 Frequency 20 210 325 445... View Article

The time period of a pendulum depends upon its (A) Mass of bob (B) Length of string (C) Dimension of bob (D) Material of the bob

The time period of a simple pendulum is given by, T = 2π × √(L/g) Where l is the length... View Article

The amount of heat energy required to raise the temperature of 1 g of Helium at NTP, from T1K to T2K is (A) (3/8)NakB(T2-T1) (B) (3/2)NakB(T2-T1) (C) (3/4)NakB(T2-T1) (D) (3/4)NakB(T2/T1)

Given Mass of helium, m = 1 gram M = 4 g number of moles = m/M = 1/4 mole... View Article

According to kinetic theory of gasses at absolute zero temperature (A) water freezes (B) liquid helium freezes (C) molecular motion stops (D) liquid hydrogen freezes

Molecular motion stops According to the kinetic theory of gases molecules, the average kinetic energy of gas molecules is directly... View Article

What does 0.9 cm mean? It is the same as ________millimetres. We can also say this is nine-tenths of a cm. Right?

The last statement of the question suggests 0.9 cm is nine-tenth of a centimeter Conversion from cm to mm We... View Article

When phenolphthalein is added to NaOH, the colour of the solution will become ____________ (A) Colourless (B) Red (C) Pink (D) Yellow

Pink When phenolphthalein is added to NaOH, the colour of the solution will become pink Hence, the correct option is... View Article

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