Number Series Reasoning Tricks in Hindi| Reasoning Classes for RRB Group D Exam| 2,12,30,? #shorts

Which number will fit in question mark (?) place in the following series? 2, ?, 12, 20, 30, 42 (A) 2 (B) 4 (C)6 (D) 8

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c ) If assertion is true but reason is false. (d) If assertion and reason are false. Q. Assertion: For small deformation, the stress and strain are proportional to each other. Reason: A class of solids called elastomers does not obey Hooke's law. Reason: A class of solids called elastomers does not obey Hooke's law.

Assertion: Number of chromosomes in one genome is equal to the number of linkage groups. Reason : Linkage groups give important information about the location of genes in the chromosomes.

Assertion : Number of chromosomes in one genome is equal to number of linkage groups. Reason : Linkage groups give important information about the location of genes in the chromosomes.

Determination OF Period, Block, Group (When Atomic Number is Given) || Exceptional Electronic Configuration OF Periodic Table (Short Trick to Memorise) || Typical Elements || Representative Elements || Diagonal Relationship || Bridge Element || Transition Elements

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : EDTA forms a complex with divalent metals of 3d series in the ratio 1:1 . Reason : EDTA has four -COOH groups.

Assertion: Elements belonging to the same group show similarity in chemical properties. Reason: Elements of the same group have same number of valence electrons.