Number Series Reasoning Tricks | 15,19,35,71,? | Reasoning Classes for RRB Group D Exam| #short

Next number in the series 15,35,77,143,………is-

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.

Description OF Series || Lyman Series || Balmer Series || Paschan Series || Class Illustrations with Short Tricks

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group? 1)19 2) 35 3) 15 4) 21 5) 27

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.

Assertion: The metals of 4d and 5d greater entalpies of atomisation than the corresponding elements of the 3d series. Reason: The metal-metal bond in 4d and 5d series are stronger than those in the 3d series.