List of top Mathematics Questions

एक परीक्षा में विद्यार्थियों द्वारा प्राप्त अंकों के आँकड़ों पर विचार कीजिए। यदि प्रत्येक विद्यार्थी के अंकों को 2 अंकों से बढ़ा दिया जाए तो निम्न में से कौन सा कथन सत्य है?

जहाँ समाकलन सीमा −1 से 2 है, \(\int_{-1}^{2} \min\{1 - x, 1 - x^3\} \, dx\) का मान क्या है?

एक तल में स्थित सभी वृत्तों के समुच्चय को C से निरूपित कीजिए। उपसमुच्चय R $\subseteq$ C $\times$ C को निम्न द्वारा परिभाषित कीजिए:
R = {(C1, C2) $\in$ C $\times$ C $|$ C1 व C2 एक दूसरे को प्रतिच्छेद करते हैं}.
निम्न में से कौन सा कथन सत्य है?

दो पूर्णांक r व l लीजए जिनके लिए r $\ge$ l $\ge$ 3 है। ऐसे कितने फलन f : {1, 2, . . . r} $\rightarrow$ {1, 2, . . . r} हैं जिनके लिए f(1), f(2), . . . , f(l) सर्वथा अलग-अलग हैं?

यदि रेखा l1 बिन्दु(1, 1, 1) व बिन्दु(3, 1, 3) को जोड़ती है तथा रेखा l2 बिन्दु(0, 2, −1) व बिन्दु(2, 0, 3) को जोड़ती है, तो रेखा l1 तथा l2 के बीच का कोण क्या है?

बिन्दु A(\(4\hat{i} + \hat{j} + 3\hat{k}\)), B(\(2\hat{j}\)) तथा C(\(-4\hat{i} + 3\hat{j} - 3\hat{k}\)) के संदर्भ में निम्न कथनों में से कौन सा कथन सत्य है?

सम्मिश्र संख्याओं के तल में निम्न समुच्चयों पर विचार कीजिए:
\[ A = \left\{ \cos \left(\frac{2n\pi}{5}\right) + i\sin \left(\frac{2n\pi}{5}\right) : n \in \mathbb{Z} \right\} \] तथा
\[ B = \left\{ \cos \left(\frac{2n}{5}\right) + i\sin \left(\frac{2n}{5}\right) : n \in \mathbb{Z} \right\} \].
निम्न कथनों में से कौन सा कथन सत्य है?

यदि p(x) एक ऐसा द्विघातीय बहुपद है जिसके लिए p(1) = p(−1) = 0 है, तो p(x) में x का गुणांक क्या है?

If the standard deviation of \( n \) elements of the series \( x_1, x_2, x_3, \dots, x_n \) is \( \sigma \), then find the variance of the series \( ax_1, ax_2, ax_3, \dots, ax_n \) is:

If \( 1 + \sin\theta + \sin^2\theta + \dots \text{ upto } \infty = 2\sqrt{3} + 4 \), then \( \theta = \)

The indefinite integral of \( \sin(x) \) w.r.t \( \cos(x) \) is:

Let \(S\) be the set of all rational numbers \(r\) such that if \[ r=\frac{p}{q} \] with \(p,q\in\mathbb{Z}\), \(q\neq0\), then the two roots of the quadratic equation \[ x^{2}+2px+q^{2}=0 \] are equal. Then the number of elements in \(S\) is:

For \(x \in \mathbb{R}\), define \[ \langle x \rangle = x-[x] \] where \([x]\) denotes the greatest integer less than or equal to \(x\). Then for any arbitrary pair of real numbers \(x,y \in \mathbb{R}\), which of the following is always true?

Evaluate \[ \int_{0}^{\sqrt{\pi}} x\sin^{2}(x^{2})\,dx \]

Let \(\theta \neq \dfrac{(2n+1)\pi}{2}\), for \(n\in\mathbb{Z}\). Consider the system of equations \[ x\cos\theta+y\sec\theta=0 \] \[ x\sin\theta+y\tan\theta=0 \] This system does not have a unique solution if and only if \(\theta\) belongs to:

The sum of four numbers A, B, C, and D is 10,600. Without A, the average of B, C, and D is 1,000. Without B, the average of A, C, and D is 3,220. Without C, the average of A, B, and D is 3,180. Find the value of D.

The sum of X, Y, W, and Z is 84. The sum of Y, W, and Z is three times X. The sum of X, W, and Z is 320% of Y. W is 20% of the sum of X, Y, and Z. Find the value of Z.

Ten people went out for dinner. Nine of them contributed ₹400 each, while the tenth person contributed an amount that was ₹900 more than the average contribution of the entire group. How much did the tenth person contribute?

72, 69, 66, \(\ldots\) Number continue in same pattern as long as they remain positive. What will be the maximum sum of terms?

Kritika has three solid objects cone, hemisphere, cylinder. All have same base radius and height. Then the ratio of volume of cylinder : cone : hemisphere is

The price of LPG increases by \(16\%\). By what percentage should consumption be reduced so that the total expenditure remains the same?

In a group of people:

• 70 play only Hockey.

• 100 play only Football.

• 30 play both Hockey and Football.

• 150 play neither game.
What percentage of the people play Hockey?

For \(a \in \mathbb{R}\), consider the real valued function defined on \((-1,1)\): \[ f(x)= \begin{cases} \dfrac{(1+x)^{1/3}-(1+2x)^{1/4}}{x}, & x\neq0,\\ a,& x=0. \end{cases} \] If \(f\) is differentiable at \(x=0\), then value of \(a+f'(0)\) is:

Define relation \(\sim\) on set \(\{1,2,\dots,10\}\) by \(a \sim b\) if \(a-2b\) is divisible by \(3\), then:

Let \((x_0,y_0)\in\mathbb Z^2\) be a point on straight line \(8x-3y=11\) which is equidistant from coordinate axes. Then point \((x_0,y_0)\) will lie only in: