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if A and B are mutually exclusive events, P (A or B) = .7, P(A) = .2, then P (B) =

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Mathematics
allistreet509
4 weeks
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It took a group of men 5 days to shift 545 crates. Every day after the first, 6 more men than the previous day were put on the job. Also, every day after the first, each man, by arrangement, shifted ...

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Quantitative Ability
4 weeks
1 Answer
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The sum of ages of A and his father is 100, when A is as old as his father now, he will 5 times as old as his son B is now B will be 8 years older than a ...

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SSC & Banking
1 month
1 Answer
46 views
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Why 64 gm cement is used in the experiment of determining the specific gravity of cement using Le-Chateliar’s apparatus?

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Engineering
2 months
1 Answer
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if A and B are mutually exclusive events, P (A or B) = .7, P(A) = .2, then P (B) =

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Mathematics
allistreet509
4 weeks
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35 views
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The time taken to assemble a particular item by an average worker follows a normal distribution with a mean time of 41.9 seconds and a standard deviation of 2.1 seconds.
a. Sketch the assembly time distribution. Label ...

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Mathematics
allygonzalez608
2 months
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From a sample with
nequals=3636,
the mean duration of a geyser’s ...

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Mathematics
austingalvan
3 months
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100 views
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From a sample with
nequals=3636,
the mean duration of a geyser’s ...

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Mathematics
austingalvan
3 months
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Let X1, X2, . . . , Xi , . . . be a sequence of iid continuous random variables with pdf
f(x|θ), 0 < x < θ. Prove that the sample maximum X(n) is a consistent estimator of parameter ...

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Mathematics
nt2018
4 months
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A girl inquires about rate of simple interest at a bank. After that, she deposited some principal amount for 2 years. She deposited an equal principal amount at the same rate for 7 years. The difference between the Simple Interests ...

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Quantitative Ability
Payal Patidar
1 year
1 Answer
551 views
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मेरी योग्यता बीटेक है और एक कामकाजी आदमी हूँ।
मुझे दिन में दो घंटे मात्र का समय मिलता है।
यदि यूपीएससी की परीक्षा के लिए 2019 का लक्ष्य लूँ तो क्या स्ट्रेटेजी अपनाऊं।
रविवार को पूरे दिन फ्री ...

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UPSC & State PSC's
Query1729
2 years
1 Answer
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Sir,
Please give me some tips to prepare for SSC CHSL 10+2 exam.

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SSC & Banking
Shweta Gupta
1 year
1 Answer
244 views
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Calculate minimum water content ratio required for 60% hydration, so that cement gel just occupies the available space completely.

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Engineering
Sonu Kumar
2 years
1 Answer
795 views
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The allowances of an employee constitutes 165% of his basic pay. If he receives 11925 as gross salary, then his basic pay is

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SSC & Banking
Shweta Gupta
2 years
1 Answer
1218 views
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A+B can complete the work in 40% less time than C while B+C can complete the same work in 60%less time than A .If they work together can complete the whole work in 20 days ,then in how many days ...

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SSC & Banking
Anjali Gupta
8 months
1 Answer
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We have studied about particles of the atom but still, the arrangement of particles of an atom in space were still unknown. Attempts were made to find out the spatial arrangement of atomic particles viz. neutron, proton and electron. Different ...

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Utkarsh Gupta
October 5 , 2018
Daily GK Course Quiz , General Knowledge , History , Mini Mock Test , SSC CGL
0 Comments
117 views

सामान्य ज्ञान प्रश्नोत्तरी यह प्रश्नोत्तरी कैलाशा फाउंडेशन – फन तथा लर्न पोर्टल के द्वारा आपको विभिन्न प्रकार की प्रतियोगी परीक्षाओं के लिए तैयार करने के उद्देश्य से बनाई गई है| इस प्रश्नोत्तरी में हमारी टीम ...

Continue readingAny object around you, your pen or pencil, your books, electrical equipment and things of nature such as rocks, water and plant and the list is so long, constitute the matter of the universe. Any substance which occupies space and ...

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Utkarsh Gupta
September 21 , 2018
current affairs , Daily GK Course Quiz , General Knowledge , Mini Mock Test , Quiz , SSC CGL
0 Comments
246 views

समसामयिकी 20/09/2018 – प्रश्नोत्तरी यह प्रश्नोत्तरी कैलाशा फाउंडेशन – फन तथा लर्न पोर्टल के द्वारा आपको विभिन्न प्रकार की प्रतियोगी परीक्षाओं के लिए तैयार करने के उद्देश्य से बनाई गई है| इस प्रश्नोत्तरी में हमारी ...

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Utkarsh Gupta
September 21 , 2018
current affairs , Daily GK Course Quiz , Education , General Knowledge , Mini Mock Test , Quiz , SSC CGL
0 Comments
214 views

समसामयिकी 19/09/2018 – प्रश्नोत्तरी यह प्रश्नोत्तरी कैलाशा फाउंडेशन – फन तथा लर्न पोर्टल के द्वारा आपको विभिन्न प्रकार की प्रतियोगी परीक्षाओं के लिए तैयार करने के उद्देश्य से बनाई गई है| इस प्रश्नोत्तरी में हमारी ...

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Utkarsh Gupta
September 20 , 2018
Chemistry , JEE Mocks , NEET , Quiz , Science
0 Comments
130 views

Thermodynamics Mock Test by KFDN “Thermodynamics” Mock Test is brought to you by Kailasha Foundation- Fun & Learn Portal to help you boost yourself for JEE, NEET, and other competitive exams with our specially tailored content from ...

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Utkarsh Gupta
September 19 , 2018
current affairs , Daily GK Course Quiz , General Knowledge , Mini Mock Test , Quiz , SSC CGL
0 Comments
243 views

राजस्थान समसामयिकी प्रश्नोत्तरी – 18/09/2018 यह प्रश्नोत्तरी कैलाशा फाउंडेशन – फन तथा लर्न पोर्टल के द्वारा आपको विभिन्न प्रकार की प्रतियोगी परीक्षाओं के लिए तैयार करने के उद्देश्य से बनाई गई है| इस प्रश्नोत्तरी में हमारी ...

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Utkarsh Gupta
September 19 , 2018
current affairs , Daily GK Course Quiz , General Knowledge , Mini Mock Test , SSC CGL
0 Comments
144 views

समसामयिकी 18/09/2018 – प्रश्नोत्तरी यह प्रश्नोत्तरी कैलाशा फाउंडेशन – फन तथा लर्न पोर्टल के द्वारा आपको विभिन्न प्रकार की प्रतियोगी परीक्षाओं के लिए तैयार करने के उद्देश्य से बनाई गई है| इस प्रश्नोत्तरी में हमारी ...

Continue readingThe journey of KFDN. “The journey of thousand miles begins with a single step” – Lao Tzu Relating to this quote, the first step taken by KFDN was ...

Continue readingPressure Pressure is defined as the force applied on a unit area; it is represented by the symbol P. The unit of pressure is Pascal or Newton per meter squared. P= Force/Area

Continue readingerror:

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