Archives

A student divided a number by 2/3 when he was required to multiply by 3/2. Calculate the percentage of error in his result.

Answer: The percentage error is zero.... View Article

Maximum transpiration occurs through ________. a) Stomata b) Cuticle c) Lenticels d) Bark

Maximum transpiration occurs through ________. a) Stomata b) Cuticle c) Lenticels d) Bark Answer:a) Stomata... View Article

Anomalous electronic configuration in the 3d series are of

Anomalous electronic configurations in the 3d series are of Cu and Zn Cr and Fe (c) Fe and Cu (d) Cr and Cu Answer: (d) Cr and Cu... View Article

The laws of reflection holds good for which mirror

The laws of reflection hold good for Plane mirrors Convex mirrors Concave mirrors All mirrors Answer: (d) All mirrors... View Article

An isolated system is that system in which

An isolated system is that system in which there is an exchange of mass with the surroundings. there is an exchange of energy with the... View Article

What is full form of NCF?

The full form of NCF is National Curriculum Framework.... View Article

Tan inverse 4/3 value

The value of tan inverse 4/3 is 53 degrees.... View Article

Which number cannot represent a probability?

Which number cannot represent a probability? (A) 2/3 (B) 1.5 (C) 15 % (D) 0.7 Answer: (B) 1.5 Explanation: This is... View Article

Assertion (A) – Calcium Carbonate when heated gives calcium oxide and water. Reason (R) – On heating CaCO3, a decomposition reaction takes place.

Assertion (A) - Calcium Carbonate when heated gives calcium oxide and water Reason (R) – On heating CaCO3, a decomposition reaction... View Article

An exterior angle of a triangle is 110 degree and its two interior opposite angles are equal. Find each of these equal angles.

Solution: An exterior angle is equal to the sum of its two interior opposite angles. Therefore, x + x = 110 x = 110/2 = 55... View Article

Is displacement scalar quantity?

No displacement is a vector quantity.... View Article

ABC is an isosceles right triangle, right angled at C. Prove that AB² = 2AC²

ABC is an isosceles right triangle, right angled at C. Prove that AB2 = 2AC2. Solution: In triangle △ABC, by Pythagorus theorem, (AB)2 =(AC)2... View Article

Who used the services of Banjaras as trading nomads?

Who used the services of Banjaras as trading nomads? (a) Alauddin Khalji (b) Jahangir (c) Both of them (d) None Answer: c) Both of them... View Article

Tick the correct answers.

(a) The mountain range that separates Europe from Asia is (i) the Andes (ii) the Himalayas (iii) the Urals Answer: (iii)... View Article

Simplify (81)^1/4

Simplifying and solving, we get... View Article

Which of the following can be an apex consumer number?

Which of the following can be an apex consumer? A) Rabbit B) Cow C) Fish D) Kingfisher Answer: D) Kingfisher... View Article

If a ray stands on a line then the sum of the adjacent angle so formed is ?

If a ray stands on a line, then the sum of the adjacent angles so formed is 180.... View Article

What do you mean by a rain shadow area?

A rain shadow area is an area of dry land that lies on the leeward side of a mountain. High mountains serve as hindrances for cold or hot winds;... View Article

Absolute alcohol is

Absolute Alchol is a 100% ethanol ethanol + water + phenol 95% alcohol + 5% water 95% ethanol + 5% methanol Answer: 100% ethanol... View Article

What is the valency of dioxide?

The valency of dioxide is zero.... View Article

M	T	W	T	F	S	S
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31