कोयला और पेट्रोलियम | CLASS 8 - विज्ञान | 5 PM Class by Nishtha ma'am | L1 Hindi Medium

Select the correct alternative to indicate the arrangement of the following words in a logical and meaningful order. उस विकल्प का चयन करें जो दिए गए शब्दों के तर्कपूर्ण और अर्थपूर्ण क्रम को दर्शाता है | 1. Class 2. Entrance 3. Result 4. Admission 5. Graduation 6. Job

The probability that a student selected at random from a class will pass in Hindi is 4/5 and the probability that he passes in Hindi and English is 1/2 . What is the probability that he will pass in English if it is known that he has passed in Hindi ?

In a class of 50 students, 23 speak English, 15 speak Hindi and 18 speak Punjabi. 3 speak only English and Hindi, 6 speak only Hindi and Punjabi and 6 speak only English and Punjabi. If 9 speak only English, then how many speak all the three? (a) 1 (b) 2 (c) 3 (d) 5

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

The dimensions of a class room are 10m, 8m, and 5m. Find the cost of decorating its walls by a wall paper of 1 m width, which costs rs. 50 per metre.

Arrange the following activities in a logical and meaningful order. निम्नलिखित गतिविधियों को एक तर्कपूर्ण और अर्थपूर्ण क्रम में व्यवस्थित करें | 1. Attending classes in college /कॉलेज में कक्षाओं में शामिल होना 2. Admission merit list declaration /नामांकन की मेरिट सूची की घोषणा 3. Getting admission in the college /कॉलेज में नामांकन लेना 4. Applying for admission to college /कॉलेज में नामांकन के लिए आवेदन देना 5. Annual Examination – Class 12 /वार्षिक परीक्षा - कक्षा 12 6. Result declaration – Class 12 /परिणाम की घोषणा - कक्षा 12

In a frequency distribution table with 12 classes, the class-width is 2.5 and the lowest class boundary is 8.1, then what is the upper class boundary of the highest class?