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A quadrilateral has _______ diagonals?

A quadrilateral is a plane figure that has four sides or edges, and also have four corners or vertices. Therefore,... View Article

River Ganga originates from the glacier ___________. (A) Aksi chin (B) Gangotri (C) Siachen (D) Yamunotri

The Ganga originates as the Bhagirathi from the Gangotri glacier. Hence, the correct option is (B)

Myology is the study of: (A) Muscles (B) Bones (C) Cartilages (D) None of the above

Myology is the study of muscles or the muscular system. Myology includes the study of the structure, function and diseases... View Article

Goods taken by proprietor for domestic use should be credited to ____________ (a) sales account (b) proprietor’s personal expenses (c) purchases account (d) expenses account

Good taken by the proprietor for domestic account should be credited to purchases account. Hence, the correct option is (c)

Find the value of x in each of the following figures:

[Linear pair: The two adjacent angles are said to form a linear pair of angles if their non–common arms are... View Article

A vessel has 6 g of oxygen at pressure P and temperature 400 K. A small hole is made in it so that oxygen leaks out. How much oxygen leaks out if the final pressure is at P/2 and temperature 300 K?

For m grams of gas \(\begin{array}{l}PV = \frac{m}{M}RT\end{array} \)…. (1)\\{P}’V = \frac{{m}’}{M}R{T}'\end{array} \) … (2) On dividing equation (2) by... View Article

When (NH4)2Cr2O7 is heated, green coloured residue is: (a) CrO (b) Cr2O3 (c) Cr2O5 (d) Cr2O7

On heating, Ammonium dichromate undergoes decomposition resulting in the formation of chromium(III) oxide and nitrogen gas. (NH4)2Cr2O7(s) → Cr2O3(s) +... View Article

Shares of ___________ company are freely transferable (a) Private Company (b) Public Company (c) Both (a) and (b) (d) None of these

The shares of a public limited company are freely transferable. Hence, the answer is Public Company. So, the correct option... View Article

The angle of elevation of a jet plane from a point a on the ground is 60^0. After a flight of 20 seconds at the speed of 432 km/hour, the angle of elevation changes to 30^0. If the jet plane is flying at a constant height, then its height is: (a) 1200 √3 m (b) 1800 √3 m (c) 3600 √3 m (d) 2400 √3 m

v = (432 x 1000) / (60 x 60) m/sec v = 120 m/sec Distance PQ = v x 20... View Article

Chromatography is a technique based on (a) adsorption and then dispersion of solute (b) absorption of solute (c) hydration of solute (d) evaporation of solute

Chromatography is a technique based on adsorption and then dispersion of solute. Hence, the correct option is (a) Learn more:... View Article

Binary fission is oblique in (A) Ceratium (B) Noctiluca (C) Fuligo (D) Vorticella

Binary fission is a form of asexual reproduction in which an organism divides into two, each part carrying one copy... View Article

A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car (a) does not change (b) becomes twice to that of initial (c) becomes 4 times that of initial (d) becomes 16 times that of initial

Answer is ‘does not change’ Potential energy is the product of height, mass and gravity. Hence height is a factor... View Article

In a potentiometer experiment, the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2 Ω, the balancing length becomes 120 cm. The internal resistance of the cell is (a) 1 Ω (b) 0.5 Ω (c) 4 Ω (d) 2 Ω

Internal resistance of the cell r, is given by r = R [(l1/l2) – 1] r = R [(l1 –... View Article

The sum of the digits of a two digit number is 12. The number obtained by interchanging its digits exceed the given number by 18. Find the number

Let x be the digit at tens place and y be the digit at units place Then, x + y... View Article

Find any ten rational numbers between -5/6 and 5/8

Given Two rational numbers -5/6 and 5/8 Making denominators same -5/6 x 4/4 = -20/24 5/8 x 3/3 = 15/24... View Article

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