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A students multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
एक छात्र ते 5/4 के बजाय 4/5 से एक संख्या का गुणा किया। उस गणना में हुई प्रतिशत त्रुटि क्या है?

A

16

B

25

C

36

D

20

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A student multiplied a number by (3)/(5) instead of (5)/(3). What is the percentage error in the calculation? 34% b.44% c.54% d.64%

A student multiplied a number with 3/4 instead of 4/3 . What is the error percentage? एक छात्र ने 43 की बजाय 34 के साथ एक संख्या को गुणा किया। त्रुटि प्रतिशत क्या है?

The ratio of boys and girls in a college was 4 : 5. New students got admitted and the number of boys went up by 50% and the number of girls went up by 60%. What is the new ratio of boys and girls in the college? एक कॉलेज में लड़कों तथा लड़कियों की संख्या में 4 : 5 का अनुपात है | नए छात्रों का नामांकन हुआ और लड़कों की संख्या 50% तथा लड़कियों की संख्या 60% बढ़ गयी | इस कॉलेज में लड़कों और लड़कियों का नया अनुपात क्या है ?

A chord of length 24 cm is at a distance of 5 cm from the centre of a circle. What is its area? एक वृत्त के केंद्र से 5 सेमी की दूरी पर 24 सेमी लंबाई का एक जीवा है। इसका क्षेत्रफल क्या है?

This table shows the number of students studying in various streams in different colleges. निम्नलिखित तालिका पांच कॉलेजों के तीन विषयों में पढ़ने वाले छात्रों की संख्या दर्शाती है | The number of students in the science stream of college C is approximately what percentage of students studying in that college? कॉलेज C में विज्ञान विषय में छात्रों की संख्या उस कॉलेज में पढ़ने वाले छात्रों की संख्या का लगभग कितना प्रतिशत है ?

What will be the area of a circle whose radius is sqrt 5 cm? एक वृत्त का क्षेत्रफल क्या होगा जिसकी त्रिज्या sqrt 5 सेमी है ?

The average weight of the students in a group was 75.4 kg. Later on, four students having weights, 72.9 kg, 73.8 kg, 79.5 kg and 87.4 kg joined the group. As a result, the average weight of all the students in the group increased by 0.24 kg. What was the number of students in the group, initially? एक समूह के छात्रों का औसत वज़न 75.4 किलो ग्राम था | बाद में, चार छात्र इस समूह में शामिल हो गए जिनके वज़न क्रमशः 72.9 किलो ग्राम, 73.8 किलो ग्राम, 79.5 किलो ग्राम और 87.4 किलो ग्राम थे | परिणामस्वरूप, इस समूह के सभी छात्रों का औसत वज़न 0.24 किलो ग्राम से बढ़ गया | आरंभ में इस समूह में कितने छात्र थे ?

If 40% of 2/5 of a number is 24, then the number is : यदि किसी संख्या के 2/5 का 40% 24 है, तो संख्या है :

CHAMPION PUBLICATION-2017 TIER-II PAPER(13)-EXERCISE
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