ऐल्डिहाइड, कीटोन एवं कार्बोक्सिलिक अम्ल | JEE | Class 12 रसायन विज्ञान | 9 AM Class By Ram Sir |L3

एल्डोल संघनन|ऐल्डिहाइड, कीटोन एवं कार्बोक्सिलिक अम्ल|क्रियाविधि|Cross एल्डोल|अन्त अणुक ऐल्डॉल अभिक्रिया|OMR

Consider the marks, out of 100, obtained by 51 students of a class in a test, given in Table 14.9. M a r k s"N u m b e r o f S t u d e n t s"0-10 5 10-20 10 20-30 4 30-40 6 40-50 7 50-60 3 60-70 2 70-80 2 80-90 3 90-100 9Tot a l 51 Draw a freque

Ratio of First ,Second and Third Class train fares between two stations was 8:6:3 .First Class and Second Class train fares are reduced by 1/6 and 1/12 repectively .Ratio of no of passengers in first, second and third class in a year is 4:9:24 .From a stattion total sale of ticket of Rs. 355600 .First the amount collected from first class .

The above Venn diagram represent the students who play 3 sports M, N and L in a class Total number of students who play N & L but not M game is: Options are (a) 15 (b) 68 (c) 9 (d) 12.