List of practice Questions

Select the option that best fills in the blank and completes the sentence given below.
The soil ...... of rock material, minerals and organic matter.
Select the option that best fills in the blank and completes the sentence given below.
The managers have promised to hire the boys once they ...... their degree.
In the sentence given below, four words/phrases have been underlined and the underlined words/phrases are given as options. Select the option that contains grammatical error(s). $\underline{\text{Culture refers to the group’s way of life,}}$ $\underline{\text{including the shared system of}}$ $\underline{\text{values and relations.}}$
In the sentence given below, four words/phrases have been underlined and the underlined words/phrases are given as options. Select the option that contains grammatical error(s). $\underline{\text{Raghav has been}}$ $\underline{\text{trying stopping smoking}}$ $\underline{\text{for many years}}$ $\underline{\text{now, but he has been unsuccessful.}}$
In the sentence given below, four words/phrases have been underlined and the underlined words/phrases are given as options. Select the option that contains grammatical error(s). $\underline{\text{In 2015,}}$ $\underline{\text{most countries agreed on}}$ $\underline{\text{sustainable development goals,}}$ $\underline{\text{though very few have achieved them.}}$
\(log_x2+log_x2^2+log_x2^3+………+ log_x2^n=\frac {n(n+1)}{2}\), then \(x=\)
A= {P, O, L, Y, T, E, C, H, N, I, Q), B= {P, O, L, Y, C, E, T, 2020), B-A=
Product of the polynomials \((x^3+8),(x-8)\) is denoted by \(p(x)=ax^4+bx^3+cx^2+dx+e\) then \(p(8)=\)
If \(α,β\) are the roots of \(x^2-1=0\), then \(α+β=\)
In the formula \(log_a xy=log_a x+log_a y\), which of the following is true?
If \(7\) divides \(a^2\) then
\(log_xb-log_xa=log_xc-log_xb\)  \(∴ac=\)
If A={a}, B={a,b}, C={a,b,c}, then A∩B∩C=
5=
If the roots of \(2x^2+kx+3=0\) are real and equal, then \(k=\)
\(8x^2-6x-9=\) _____ .
\(1,-\frac 12, \frac 14 ……\) are in G.P., then find 8th term.
\(4,7,10,.........\) are in A.P., then sum of \(15\) terms is ______ .
10th term of A.P.: \(13, 8,3,-2……. \) is _____ .
For the equation \(2019x+2020y=4040\), when \(x=0\) the value of \(y=\)
The minimum distance from a real object to the real image in a concave mirror is equal to
The relation between focal length and radius of curvature of a spherical mirror is
The lens that is used to rectify hypermetrophia
The relation between the speed of wave (v), wavelength (λ) and frequency (n) is
When objects of different distances are seen which of the following remain constant