Solution: Option (3) 1/10 The total number of triangle with 6 vertices = 6C3 = 20 Favourable outcome = 2 Hence, the required probability =... View Article
Solution: Option (4) 2/7 We know that a leap year has 366 days. So, we have 52 weeks and 2 days. Hence, a leap year has 52 Sundays. The... View Article
Solution: Option (1) 6/4165 The total number of cards = 52 Number of favourable cases = 13C1x 4C2x 12C1 x 4C3 Therefore, the total cases... View Article
(1) 12!/6!6!6^12 (2) 2^12/2^6 6^12 (3)12!/2^6 6^12 (4)12!/6^2 6^12 Solution: Option (3) 12!/26 612 The total number of ways that each face... View Article
Solution: Option (5) None of these If two dice are thrown simultaneously, the total number of sample spaces is 36. Favourable outcomes =... View Article
Solution: option (1) 1/9 If two dice are thrown simultaneously, the total number of sample space is 36 Favourable outcomes = (1, 4), (4, 1),... View Article
Solution: Option (1) ¼ Explanation: Let L = 7n+7m Thus, the unit digit of 71, 72, 73, and 74 are 7, 9, 3, 1 respectively. Hence, 7i ends in 7, 9,... View Article
Solution: Option (D) None of these The number of ways that the four digits formed by the digits 1, 2, 3 4 without repetition = 4! Number of... View Article
Solution: Option (3) â…– The five people in the queue are A, B, C, D, E. The probability that A and E are always together = (2!. 4!) /5! = 2.... View Article
Generally, both Hydrochloric acid (HCl) and Sulfuric acid (H2SO4) are really strong acids compared to any other acids. However, HCl is stronger... View Article
Compressibility factor also known as the gas deviation factor or the compression factor is a measure of deviations in the thermodynamic property... View Article
No, alkaline earth metals are not gases. The alkaline earth metals are six solid chemical elements that are under group 2 of the periodic table.... View Article
The least reactive alkaline earth metal is Beryllium (Be). Usually, if we take a look at the reactivity of alkaline earth metals this property... View Article
The three parts of a chemical reaction include the reactants which are given at the left side of the reaction equation. Secondly, there are... View Article
The most simple way to identify an ionic compound is to check if the chemical compound is made of just two elements wherein one element can be a... View Article
S-Block elements or alkali metals are good reducing agents mainly because of their strong tendency to lose the single valence electrons during a... View Article
Amide groups are functional groups formed by the reaction between an amine group and a carboxyl group. They also can be formed through the... View Article
The pH of Sodium Sulfide is 10.4. Sodium sulfide belongs to the category of a strong alkaline. One has to be careful while handling this chemical... View Article
