TRIGONOMETRY ALL QUESTIONS ASKED IN RRB NTPC 2016

Write the following sets in roster form: (i) A = {x : x is an integer and 3 (ii) B = {x : x is a natural number less than 6} (iii) C = {x: x is a two digit natural number such that the sum of its digits is 1 (iv) D = {x : x is a prime number which is divisor of 60} (v) E = The set of all letters in the word TRIGONOMETRY (vi) F = The set of all letters in the word BETTER

Match the following question Column -I " " Column -II (A) XeO_(3), XeF_(2), ClF_(3), PCl_(5) ( p ) All are sp^(3) d except one ( B CH_(4) , XeO_(3) , ClO_(4)^(-) , ICl_(2)^(+) (q) All are sp^(3) except one ( C ) BF_(4)^(-) , SO_(4)^(2-) , CO_(3)^(-) , POCl_(3) ( r ) All are sp^(3) ( D ) SO_(2) , SnCl_(2) ,SO_(3)^(-) , SO_(2) Cl_(2) sp^(2) and sp^(3) hybridisation ( t) All are sp^(2) except one

In question , represent A cup B by Venn diagram in all cases .

In question , represent A cap B by Venn diagram in all cases .

Answer the following questions: The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr, and Ba. State the common feature in the electronic configuration of all these elements.

A man went to a Bank with Rs. 1000. He asked the cashier to give him Rs. 5 and Rs. 10 notes only in return. The man got 175 notes in all. Find how many notes of Rs. 5 and Rs. 10 did he receive.

In the following questions, a statement of assertion (A) is followed by a statement of reason (R ) A : All P-Cl bond lengths are equal in PCl_(3) but different in PCl_(5) R : Hybrid state of central atom is different in both molecules.