RRB ALP 29th Aug 2018 Shift-2
For the following questions answer them individually
Select the option that can replace the question mark (?) in the following equation.
$$Â 2 + 5\div [5+8\div( 1+\frac{1}{3}) - 1] $$ = ?
Select the INCORRECT match’s from the following.
A. Copper — Cu
B. Gold— Au
C. Mercury — Me
D. Platinum — Pt
E. Silver — Ag
A boat at anchor is rocked by waves whose consecutive crests are 100 m apart. The wave
velocity of the moving crests is 25 ms-1. What is the frequency of rocking of the boat?
₹ x invested at 9% simple interest per annum for 5 years yields the same interest as that on ₹ y invested at 7.5% simple interest per annum for 4 years. Find x : y.
Which of the following statements is/are true or false?
Statements:
A) On moving from left to right in a period, the chemical reactivity of elements first decreases and then increases.
B) The chemical reactivity of non-metals increases on going down in a group of the periodic table.
