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The Probability That A Leap Year Selected At Random Contains 53 Sunday Is

Solution: Option (4) 2/7 We know that a leap year has 366 days. So, we have 52 weeks and 2... View Article

Solution: Option (1) 6/4165 The total number of cards = 52 Number of favourable cases = 13C1x 4C2x 12C1 x... 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... View Article

Solution: Option (5) None of these If two dice are thrown simultaneously, the total number of sample spaces is 36.... View Article

Solution: option (1) 1/9 If two dice are thrown simultaneously, the total number of sample space is 36 Favourable outcomes... View Article

Solution: Option (2) n!/nn The total number of mapping from set A is nn The total number of one-one mapping... View Article

Solution: Option (1) ¼ Explanation: Let L = 7n+7m Thus, the unit digit of 71, 72, 73, and 74 are... View Article

Solution: Option (D) None of these The number of ways that the four digits formed by the digits 1, 2,... View Article

Solution: Option (3) ⅖ The five people in the queue are A, B, C, D, E. The probability that A... View Article

Generally, both Hydrochloric acid (HCl) and Sulfuric acid (H2SO4) are really strong acids compared to any other acids. However, HCl... View Article

Compressibility factor also known as the gas deviation factor or the compression factor is a measure of deviations in the... View Article

No, alkaline earth metals are not gases. The alkaline earth metals are six solid chemical elements that are under group... View Article

The least reactive alkaline earth metal is Beryllium (Be). Usually, if we take a look at the reactivity of alkaline... View Article

The three parts of a chemical reaction include the reactants which are given at the left side of the reaction... View Article

The most simple way to identify an ionic compound is to check if the chemical compound is made of just... View Article

Potassium dichromate is a good oxidizing agent because when elements come into its contact in a chemical reaction they become... View Article

S-Block elements or alkali metals are good reducing agents mainly because of their strong tendency to lose the single valence... View Article

Amide groups are functional groups formed by the reaction between an amine group and a carboxyl group. They also can... View Article

The pH of Sodium Sulfide is 10.4. Sodium sulfide belongs to the category of a strong alkaline. One has to... View Article

Group 1 metals or more commonly known as alkali metals have low density mainly because of their low atomic weight... View Article