HTET Exam - Level 1 Prt - Data Handling

HTET exam Level 1 Prt preparation with Clear Cutoff

Question Details
Exam: HTET
Level: Level 1 Prt
State: Haryana
Chapter: Data Handling
Questions: 65
Chapter-wise questions

by Clear Cutoff

Showing 20 of 20 questions

Question 41

Probability
प्रायिकता

If a number x is chosen from the numbers 1, 2, 3 and a number 'y' is chosen from the numbers 1, 4, 9, then P(xy < 9) is equal to :

Choose an answer to reveal your result and explanation.

यदि एक संख्या x संख्याओं 1, 2, 3 में से चुनी जाती है और एक संख्या y संख्याओं 1, 4, 9 में से चुनी जाती है, तो P(xy < 9) बराबर है :

Choose an answer to reveal your result and explanation.

Question 42

Probability
प्रायिकता

If P(A∪B)=P(A∩B) for any two events A and B, then :\text{If } P(A \cup B) = P(A \cap B) \text{ for any two events A and B, then :}

Choose an answer to reveal your result and explanation.

यदि दो घटनाएँ A और BA \text{ और } B के लिए P(A∪B)=P(A∩B)P(A \cup B) = P(A \cap B) है, तो

Choose an answer to reveal your result and explanation.

Question 43

Permutation & Combination
क्रमचय एवं संचय

 If 15C3r=15Cr+3, then ’r’ is equal to: \text{ If } {}^{15}C_{3r} = {}^{15}C_{r+3}, \text{ then 'r' is equal to: }

Choose an answer to reveal your result and explanation.

यदि 15C3r=15Cr+3{}^{15}C_{3r} = {}^{15}C_{r+3}, तो 'r' बराबर है :

Choose an answer to reveal your result and explanation.

Question 44

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

The mean and median of a data are respectively 20 and 22. The value of mode is :

Choose an answer to reveal your result and explanation.

माध्य और माध्यिका के आँकड़े क्रमशः 20 और 22 हैं, तो बहुलक का मान होगा :

Choose an answer to reveal your result and explanation.

Question 45

Probability
प्रायिकता

10 persons are seated at a round table. The probability that two particular persons sit together is :

Choose an answer to reveal your result and explanation.

एक गोल मेज के चारों ओर 10 व्यक्ति बैठे हैं। दो विशेष व्यक्तियों के एक साथ बैठने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 46

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

A statistical measure which can not be determine graphically is :

Choose an answer to reveal your result and explanation.

एक सांख्यिकीय माप जो लेखाचित्र से ज्ञात नहीं की जा सकती है, कहलाती है :

Choose an answer to reveal your result and explanation.

Question 47

Probability
प्रायिकता

Two cards are drawn at random from a pack of 52 cards. The probability that either both are black or both are queen is :

Choose an answer to reveal your result and explanation.

52 पत्तों की गड्डी में से 2 पत्ते यादृच्छिक रूप से खींचे जाते हैं। दो पत्तों के या तो काले या बेगम होने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 48

Measures of Dispersion (Range, Variance, Standard Deviation)
विस्तार की माप (परास, प्रसरण, मानक विचलन)

Variance is independent of change of :

Choose an answer to reveal your result and explanation.

प्रसरण में परिवर्तन स्वतन्त्र होता है :

Choose an answer to reveal your result and explanation.

Question 49

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

For a symmetrical frequency distribution we have :

Choose an answer to reveal your result and explanation.

एक सममित आवृत्ति बंटन के लिए :

Choose an answer to reveal your result and explanation.

Question 50

Measures of Dispersion (Range, Variance, Standard Deviation)
विस्तार की माप (परास, प्रसरण, मानक विचलन)

The formula to calculate the coefficient of quartile deviation is :

Choose an answer to reveal your result and explanation.

चतुर्थक विचलन के गुणांक की गणना करने का सूत्र है :

Choose an answer to reveal your result and explanation.

Question 51

Probability
प्रायिकता

The probability that a non-leap year has 53 Sundays, is :

Choose an answer to reveal your result and explanation.

एक अलीप वर्ष में 53 रविवार होने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 52

Probability
प्रायिकता

The probability that 'A' hits a target is 4/5 and 'B' hits the same target is 3/4. If each of them hits once. The probability that target hit only one of them is :

Choose an answer to reveal your result and explanation.

A' की लक्ष्य को भेदने की प्रायिकता 4/5 तथा 'B' की उसी लक्ष्य को भेदने की प्रायिकता 3/4 है, यदि दोनों को एक-एक अवसर दिया जाता है, तो दोनों में से केवल एक द्वारा ही लक्ष्य भेदने की प्रायिकता क्या है ?

Choose an answer to reveal your result and explanation.

Question 53

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

If the median is 20 and each data is increased by 2, then new median is :

Choose an answer to reveal your result and explanation.

यदि माध्यिका 20 है तथा प्रत्येक आँकड़े में 2 की वृद्धि की जाती है, तो नई माध्यिका है :

Choose an answer to reveal your result and explanation.

Question 54

Probability
प्रायिकता

A number is taken from 1 to 100. The probability that it is a prime number :

Choose an answer to reveal your result and explanation.

1 से 100 तक में से एक संख्या चुनी जाती है, इसके अभाज्य संख्या होने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 55

Probability
प्रायिकता

A bag contains 24 balls of which x are red, 2x are white and 3x are blue balls. A ball is selected at random, the probability that it is not red, is :

Choose an answer to reveal your result and explanation.

एक थैले में 24 गेंदें हैं जिसमें से x लाल गेंदें, 2x सफेद गेंदें एवं 3x नीली गेंदें हैं। एक गेंद यादृच्छिक रूप से निकाली जाती है, तो लाल गेंद नहीं आने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 56

Probability
प्रायिकता

The probability that in a family of 3 children, there will be at least one boy, is :

Choose an answer to reveal your result and explanation.

3 बच्चों वाले एक परिवार में कम से कम एक लड़का होने की प्रायिकता है :

Choose an answer to reveal your result and explanation.

Question 57

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

Which of the following cannot be determined graphically ?

Choose an answer to reveal your result and explanation.

निम्नलिखित में से किसे लेखाचित्र द्वारा निर्धारित नहीं किया जा सकता ?

Choose an answer to reveal your result and explanation.

Question 58

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

If the difference of mode and median is 36, then the difference of median and mean is :

Choose an answer to reveal your result and explanation.

यदि बहुलक तथा माध्यिका का अन्तर 36 हो, तो माध्यिका एवं माध्य का अन्तर है :

Choose an answer to reveal your result and explanation.

Question 59

Probability
प्रायिकता

A lot of 20 bulbs contains 4 defective pieces. One bulb is drawn at random from the lot. What is the probability that this bulb is defective ?

Choose an answer to reveal your result and explanation.

20 बल्बों के एक समूह में 4 बल्ब खराब हैं। इस समूह में से एक बल्ब यादृच्छया निकाला जाता है। इसके खराब होने की क्या प्रायिकता है ?

Choose an answer to reveal your result and explanation.

Question 60

Measures of Central Tendency (Mean, Median & Mode)
केंद्रीय प्रवृत्ति की माप (माध्य, माध्यिका एवं बहुलक)

The median of the following data is :
25, 34, 31, 23, 22, 26, 35, 29, 18, 32

Choose an answer to reveal your result and explanation.

निम्नलिखित आँकड़ों की माध्यिका है :
25, 34, 31, 23, 22, 26, 35, 29, 18, 32

Choose an answer to reveal your result and explanation.